CloudFlareからアタックが大量に来る対策

2026年2月あたりから極度に目立つようになってきたCLOUDFLAREのIPからサイバーアタックの下見と思われるようなアクセスがあります。 CloudFlareの脆弱性を悪用した行為と思われますが私はユーザーではないので詳細までは分かりませんが、この下見目的のアクセスは脆弱性放置しているコンテンツには危険です。

そこで、　apache の.htaccess を活用して拒否する方法を下記に記します。

実際に弊社の管理するサーバーにアクセスがあったIPをまとめたものです。

2026/4/28 までの集計です（今後も当サイトで増えた場合は追加していきます）
2026/5/22 追記（104.28.202.179　より下です）
2026/7/8 追記（172.71.95.151　より下です）

apache 2.2

<IfModule !mod_authz_core.c>
# Apache 2.2以前の記述（互換性のため）
    Order allow,deny
        Allow from all
Deny from 104.21.21.188
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Deny from 104.28.249.140
Deny from 104.28.250.187
Deny from 104.28.250.190
Deny from 104.28.251.140
Deny from 104.28.252.131
Deny from 104.28.253.246
Deny from 104.28.253.99
Deny from 104.28.83.206
Deny from 104.28.83.208
Deny from 104.28.83.209
Deny from 104.28.83.216
Deny from 104.28.99.118
Deny from 104.28.99.191
Deny from 104.28.99.192
Deny from 104.28.99.193
Deny from 104.28.99.194
Deny from 104.28.99.195
Deny from 104.28.99.196
Deny from 104.28.99.197
Deny from 104.28.99.198
Deny from 104.28.99.199
Deny from 104.28.99.200
Deny from 104.28.99.201
Deny from 104.28.99.202
Deny from 104.28.99.203
Deny from 104.28.99.204
Deny from 104.28.99.205
Deny from 104.28.99.207
Deny from 104.28.99.208
Deny from 104.28.99.209
Deny from 104.28.99.212
Deny from 104.28.99.213
Deny from 104.28.99.218
Deny from 104.28.99.220
Deny from 104.28.99.223
Deny from 104.28.99.227
Deny from 104.28.99.228
Deny from 108.162.226.119
Deny from 108.162.241.204
Deny from 108.162.241.219
Deny from 108.162.242.26
Deny from 141.101.76.6
Deny from 141.101.96.42
Deny from 162.158.106.131
Deny from 162.158.108.140
Deny from 162.158.110.253
Deny from 162.158.111.173
Deny from 162.158.118.167
Deny from 162.158.127.210
Deny from 162.158.158.32
Deny from 162.158.159.137
Deny from 162.158.162.46
Deny from 162.158.163.126
Deny from 162.158.170.214
Deny from 162.158.172.124
Deny from 162.158.182.164
Deny from 162.158.183.112
Deny from 162.158.224.146
Deny from 162.158.227.88
Deny from 162.158.235.16
Deny from 162.158.33.222
Deny from 162.158.86.224
Deny from 162.158.87.112
Deny from 162.158.88.32
Deny from 162.159.108.48
Deny from 162.159.119.47
Deny from 162.159.98.204
Deny from 172.64.198.16
Deny from 172.64.198.34
Deny from 172.64.200.128
Deny from 172.64.215.160
Deny from 172.64.215.161
Deny from 172.67.176.100
Deny from 172.68.159.214
Deny from 172.68.18.79
Deny from 172.68.186.116
Deny from 172.68.194.220
Deny from 172.68.23.215
Deny from 172.68.238.14
Deny from 172.69.109.151
Deny from 172.69.114.108
Deny from 172.69.130.19
Deny from 172.69.130.53
Deny from 172.69.150.125
Deny from 172.69.151.233
Deny from 172.69.166.40
Deny from 172.69.194.206
Deny from 172.69.194.4
Deny from 172.69.195.9
Deny from 172.69.22.150
Deny from 172.69.223.63
Deny from 172.69.23.218
Deny from 172.69.39.101
Deny from 172.69.43.185
Deny from 172.69.59.166
Deny from 172.69.6.193
Deny from 172.69.7.106
Deny from 172.70.100.161
Deny from 172.70.111.115
Deny from 172.70.111.171
Deny from 172.70.123.11
Deny from 172.70.123.152
Deny from 172.70.127.74
Deny from 172.70.142.131
Deny from 172.70.176.126
Deny from 172.70.176.128
Deny from 172.70.176.134
Deny from 172.70.176.14
Deny from 172.70.176.144
Deny from 172.70.176.146
Deny from 172.70.176.148
Deny from 172.70.176.150
Deny from 172.70.176.164
Deny from 172.70.176.46
Deny from 172.70.176.76
Deny from 172.70.176.94
Deny from 172.70.178.15
Deny from 172.70.179.85
Deny from 172.70.220.6
Deny from 172.70.247.32
Deny from 172.70.248.129
Deny from 172.70.46.131
Deny from 172.70.46.222
Deny from 172.70.46.223
Deny from 172.70.47.179
Deny from 172.70.47.180
Deny from 172.70.50.30
Deny from 172.70.58.85
Deny from 172.70.80.138
Deny from 172.70.85.80
Deny from 172.70.90.115
Deny from 172.70.91.173
Deny from 172.70.92.218
Deny from 172.70.94.162
Deny from 172.71.1.131
Deny from 172.71.1.147
Deny from 172.71.102.232
Deny from 172.71.102.237
Deny from 172.71.102.8
Deny from 172.71.102.9
Deny from 172.71.102.96
Deny from 172.71.103.100
Deny from 172.71.103.62
Deny from 172.71.103.99
Deny from 172.71.119.100
Deny from 172.71.120.170
Deny from 172.71.120.37
Deny from 172.71.124.170
Deny from 172.71.130.137
Deny from 172.71.144.85
Deny from 172.71.148.108
Deny from 172.71.154.23
Deny from 172.71.155.60
Deny from 172.71.164.174
Deny from 172.71.172.83
Deny from 172.71.182.168
Deny from 172.71.182.242
Deny from 172.71.182.248
Deny from 172.71.183.194
Deny from 172.71.183.6
Deny from 172.71.183.83
Deny from 172.71.190.252
Deny from 172.71.203.28
Deny from 172.71.212.4
Deny from 172.71.232.21
Deny from 172.71.255.14
Deny from 172.71.99.135
Deny from 172.71.99.177
Deny from 198.41.230.38
Deny from 198.41.231.13
</IfModule>

apache 2.4以降

<IfModule mod_authz_core.c>
    # Apache 2.4以降の記述
        <RequireAll>
        Require all granted
Require not ip 104.21.21.188
Require not ip 104.23.172.131
Require not ip 104.23.209.165
Require not ip 104.23.211.170
Require not ip 104.23.213.32
Require not ip 104.23.213.36
Require not ip 104.23.213.37
Require not ip 104.23.213.40
Require not ip 104.23.213.41
Require not ip 104.23.213.44
Require not ip 104.23.213.45
Require not ip 104.23.213.47
Require not ip 104.23.213.54
Require not ip 104.23.213.58
Require not ip 104.23.213.59
Require not ip 104.23.213.81
Require not ip 104.23.213.82
Require not ip 104.23.213.83
Require not ip 104.23.213.92
Require not ip 104.23.213.101
Require not ip 104.23.213.106
Require not ip 104.23.213.114
Require not ip 104.23.213.120
Require not ip 104.23.213.132
Require not ip 104.23.213.134
Require not ip 104.23.213.135
Require not ip 104.23.213.146
Require not ip 104.23.213.149
Require not ip 104.23.213.157
Require not ip 104.23.213.165
Require not ip 104.23.213.173
Require not ip 104.23.213.176
Require not ip 104.23.213.183
Require not ip 104.23.213.190
Require not ip 104.23.213.191
Require not ip 104.23.213.195
Require not ip 104.28.159.21
Require not ip 104.28.160.167
Require not ip 104.28.161.151
Require not ip 104.28.161.152
Require not ip 104.28.161.252
Require not ip 104.28.163.35
Require not ip 104.28.164.117
Require not ip 104.28.210.147
Require not ip 104.28.213.161
Require not ip 104.28.228.57
Require not ip 104.28.234.178
Require not ip 104.28.234.179
Require not ip 104.28.242.145
Require not ip 104.28.242.147
Require not ip 104.28.242.148
Require not ip 104.28.245.161
Require not ip 104.28.249.137
Require not ip 104.28.253.80
Require not ip 108.162.216.79
Require not ip 141.101.76.88
Require not ip 141.101.97.45
Require not ip 162.158.62.214
Require not ip 162.158.94.75
Require not ip 162.158.106.130
Require not ip 162.158.119.13
Require not ip 162.158.119.14
Require not ip 162.158.119.28
Require not ip 162.158.119.29
Require not ip 162.158.119.30
Require not ip 162.158.119.31
Require not ip 162.158.119.61
Require not ip 162.158.119.62
Require not ip 162.158.119.75
Require not ip 162.158.119.85
Require not ip 162.158.119.102
Require not ip 162.158.119.126
Require not ip 162.158.119.149
Require not ip 162.158.119.153
Require not ip 162.158.119.154
Require not ip 162.158.119.167
Require not ip 162.158.119.177
Require not ip 162.158.119.178
Require not ip 162.158.119.184
Require not ip 162.158.119.200
Require not ip 162.158.119.232
Require not ip 162.158.119.233
Require not ip 162.158.119.235
Require not ip 162.158.119.236
Require not ip 162.158.119.243
Require not ip 162.158.119.245
Require not ip 162.158.119.250
Require not ip 162.158.152.143
Require not ip 162.158.163.125
Require not ip 162.158.193.2
Require not ip 162.158.193.3
Require not ip 162.158.193.21
Require not ip 162.158.193.96
Require not ip 162.158.193.101
Require not ip 162.158.193.106
Require not ip 162.158.193.157
Require not ip 162.158.193.208
Require not ip 162.158.193.209
Require not ip 162.158.193.252
Require not ip 162.158.193.253
Require not ip 162.159.110.16
Require not ip 162.159.110.17
Require not ip 162.159.110.26
Require not ip 162.159.110.27
Require not ip 162.159.110.33
Require not ip 162.159.110.40
Require not ip 162.159.110.41
Require not ip 162.159.110.44
Require not ip 162.159.110.55
Require not ip 162.159.110.62
Require not ip 162.159.110.64
Require not ip 162.159.110.65
Require not ip 162.159.110.75
Require not ip 162.159.110.80
Require not ip 162.159.110.81
Require not ip 162.159.110.102
Require not ip 162.159.110.111
Require not ip 162.159.110.114
Require not ip 162.159.110.115
Require not ip 162.159.110.120
Require not ip 162.159.110.121
Require not ip 172.64.215.10
Require not ip 172.64.215.22
Require not ip 172.64.215.39
Require not ip 172.64.215.40
Require not ip 172.64.215.41
Require not ip 172.64.215.42
Require not ip 172.64.215.84
Require not ip 172.64.215.90
Require not ip 172.64.215.107
Require not ip 172.64.215.114
Require not ip 172.64.215.115
Require not ip 172.64.215.122
Require not ip 172.64.215.132
Require not ip 172.64.215.158
Require not ip 172.64.215.159
Require not ip 172.64.215.169
Require not ip 172.64.215.179
Require not ip 172.64.215.184
Require not ip 172.64.215.201
Require not ip 172.64.215.209
Require not ip 172.64.215.215
Require not ip 172.67.199.207
Require not ip 172.68.15.221
Require not ip 172.68.85.146
Require not ip 172.68.119.39
Require not ip 172.68.119.53
Require not ip 172.68.119.54
Require not ip 172.68.119.61
Require not ip 172.68.119.62
Require not ip 172.68.119.63
Require not ip 172.68.119.85
Require not ip 172.68.119.86
Require not ip 172.68.119.87
Require not ip 172.68.119.88
Require not ip 172.68.119.92
Require not ip 172.68.119.113
Require not ip 172.68.119.122
Require not ip 172.68.119.131
Require not ip 172.68.119.167
Require not ip 172.68.119.168
Require not ip 172.68.119.170
Require not ip 172.68.119.190
Require not ip 172.68.119.195
Require not ip 172.68.119.200
Require not ip 172.68.119.207
Require not ip 172.68.119.208
Require not ip 172.68.119.211
Require not ip 172.68.119.217
Require not ip 172.68.119.218
Require not ip 172.68.164.4
Require not ip 172.68.164.5
Require not ip 172.68.164.19
Require not ip 172.68.164.28
Require not ip 172.68.164.34
Require not ip 172.68.164.37
Require not ip 172.68.164.45
Require not ip 172.68.164.49
Require not ip 172.68.164.52
Require not ip 172.68.164.53
Require not ip 172.68.164.54
Require not ip 172.68.164.55
Require not ip 172.68.164.56
Require not ip 172.68.164.60
Require not ip 172.68.164.65
Require not ip 172.68.164.70
Require not ip 172.68.164.80
Require not ip 172.68.164.82
Require not ip 172.68.164.84
Require not ip 172.68.164.85
Require not ip 172.68.164.90
Require not ip 172.68.164.91
Require not ip 172.68.164.105
Require not ip 172.68.164.113
Require not ip 172.68.164.114
Require not ip 172.68.164.129
Require not ip 172.68.164.140
Require not ip 172.68.164.144
Require not ip 172.68.164.146
Require not ip 172.68.164.170
Require not ip 172.68.164.171
Require not ip 172.68.192.130
Require not ip 172.68.192.207
Require not ip 172.68.238.43
Require not ip 172.68.245.194
Require not ip 172.69.59.7
Require not ip 172.69.59.17
Require not ip 172.69.59.24
Require not ip 172.69.59.27
Require not ip 172.69.59.47
Require not ip 172.69.59.48
Require not ip 172.69.59.51
Require not ip 172.69.59.56
Require not ip 172.69.59.63
Require not ip 172.69.59.71
Require not ip 172.69.59.72
Require not ip 172.69.59.78
Require not ip 172.69.59.80
Require not ip 172.69.59.87
Require not ip 172.69.59.88
Require not ip 172.69.59.89
Require not ip 172.69.59.106
Require not ip 172.69.59.111
Require not ip 172.69.59.122
Require not ip 172.69.59.126
Require not ip 172.69.59.127
Require not ip 172.69.59.128
Require not ip 172.69.59.129
Require not ip 172.69.59.140
Require not ip 172.69.59.143
Require not ip 172.69.59.144
Require not ip 172.69.59.155
Require not ip 172.69.59.156
Require not ip 172.69.59.171
Require not ip 172.69.59.172
Require not ip 172.69.59.173
Require not ip 172.69.59.174
Require not ip 172.69.59.175
Require not ip 172.69.59.179
Require not ip 172.69.59.181
Require not ip 172.69.59.183
Require not ip 172.69.59.197
Require not ip 172.69.59.215
Require not ip 172.69.59.216
Require not ip 172.69.59.218
Require not ip 172.69.59.224
Require not ip 172.69.59.225
Require not ip 172.69.59.226
Require not ip 172.69.59.229
Require not ip 172.69.59.231
Require not ip 172.69.59.238
Require not ip 172.69.59.242
Require not ip 172.69.59.245
Require not ip 172.69.59.246
Require not ip 172.69.59.247
Require not ip 172.69.59.253
Require not ip 172.69.169.132
Require not ip 172.69.169.134
Require not ip 172.69.169.145
Require not ip 172.69.169.154
Require not ip 172.69.169.155
Require not ip 172.69.169.164
Require not ip 172.69.169.165
Require not ip 172.69.169.167
Require not ip 172.69.169.178
Require not ip 172.69.169.179
Require not ip 172.69.169.182
Require not ip 172.69.169.183
Require not ip 172.69.169.197
Require not ip 172.69.169.201
Require not ip 172.69.169.204
Require not ip 172.69.169.213
Require not ip 172.69.169.216
Require not ip 172.69.169.217
Require not ip 172.69.169.219
Require not ip 172.69.169.222
Require not ip 172.69.169.228
Require not ip 172.69.169.229
Require not ip 172.69.169.232
Require not ip 172.69.169.233
Require not ip 172.69.169.238
Require not ip 172.69.169.239
Require not ip 172.69.169.242
Require not ip 172.69.169.243
Require not ip 172.69.169.248
Require not ip 172.70.39.60
Require not ip 172.70.90.176
Require not ip 172.70.92.219
Require not ip 172.70.108.65
Require not ip 172.70.122.224
Require not ip 172.70.122.230
Require not ip 172.70.122.243
Require not ip 172.70.122.251
Require not ip 172.70.122.252
Require not ip 172.70.123.2
Require not ip 172.70.123.4
Require not ip 172.70.123.12
Require not ip 172.70.123.18
Require not ip 172.70.123.19
Require not ip 172.70.123.25
Require not ip 172.70.123.28
Require not ip 172.70.123.31
Require not ip 172.70.123.32
Require not ip 172.70.123.33
Require not ip 172.70.123.34
Require not ip 172.70.123.35
Require not ip 172.70.123.36
Require not ip 172.70.123.38
Require not ip 172.70.123.58
Require not ip 172.70.123.61
Require not ip 172.70.123.66
Require not ip 172.70.123.71
Require not ip 172.70.123.72
Require not ip 172.70.123.73
Require not ip 172.70.123.74
Require not ip 172.70.123.89
Require not ip 172.70.123.90
Require not ip 172.70.123.93
Require not ip 172.70.123.100
Require not ip 172.70.123.102
Require not ip 172.70.123.103
Require not ip 172.70.123.113
Require not ip 172.70.123.139
Require not ip 172.70.123.140
Require not ip 172.70.123.146
Require not ip 172.70.123.147
Require not ip 172.70.123.149
Require not ip 172.70.123.151
Require not ip 172.70.123.156
Require not ip 172.70.123.163
Require not ip 172.70.123.164
Require not ip 172.70.123.176
Require not ip 172.70.123.178
Require not ip 172.70.123.179
Require not ip 172.70.123.180
Require not ip 172.70.123.181
Require not ip 172.70.123.182
Require not ip 172.70.123.183
Require not ip 172.70.123.185
Require not ip 172.70.123.190
Require not ip 172.70.123.196
Require not ip 172.70.123.197
Require not ip 172.70.123.198
Require not ip 172.70.123.200
Require not ip 172.70.123.202
Require not ip 172.70.123.207
Require not ip 172.70.123.208
Require not ip 172.70.123.210
Require not ip 172.70.123.211
Require not ip 172.70.208.143
Require not ip 172.70.250.253
Require not ip 172.70.251.25
Require not ip 172.70.251.83
Require not ip 172.70.251.84
Require not ip 172.70.251.89
Require not ip 172.70.251.90
Require not ip 172.70.251.101
Require not ip 172.70.251.102
Require not ip 172.70.251.103
Require not ip 172.70.251.104
Require not ip 172.70.251.131
Require not ip 172.70.251.132
Require not ip 172.71.8.11
Require not ip 172.71.8.18
Require not ip 172.71.8.19
Require not ip 172.71.8.22
Require not ip 172.71.8.24
Require not ip 172.71.8.35
Require not ip 172.71.8.36
Require not ip 172.71.8.37
Require not ip 172.71.8.38
Require not ip 172.71.8.41
Require not ip 172.71.8.44
Require not ip 172.71.8.47
Require not ip 172.71.8.49
Require not ip 172.71.8.50
Require not ip 172.71.8.51
Require not ip 172.71.8.54
Require not ip 172.71.8.60
Require not ip 172.71.8.65
Require not ip 172.71.8.68
Require not ip 172.71.8.72
Require not ip 172.71.8.74
Require not ip 172.71.8.75
Require not ip 172.71.8.81
Require not ip 172.71.8.82
Require not ip 172.71.8.83
Require not ip 172.71.8.90
Require not ip 172.71.8.93
Require not ip 172.71.8.99
Require not ip 172.71.8.104
Require not ip 172.71.8.105
Require not ip 172.71.8.112
Require not ip 172.71.8.113
Require not ip 172.71.8.119
Require not ip 172.71.8.128
Require not ip 172.71.8.129
Require not ip 172.71.8.142
Require not ip 172.71.8.143
Require not ip 172.71.95.131
Require not ip 172.71.99.178
Require not ip 172.71.120.43
Require not ip 172.71.144.2
Require not ip 172.71.144.3
Require not ip 172.71.144.8
Require not ip 172.71.144.14
Require not ip 172.71.144.15
Require not ip 172.71.144.21
Require not ip 172.71.144.22
Require not ip 172.71.144.23
Require not ip 172.71.144.28
Require not ip 172.71.144.29
Require not ip 172.71.144.35
Require not ip 172.71.144.36
Require not ip 172.71.144.37
Require not ip 172.71.144.38
Require not ip 172.71.144.39
Require not ip 172.71.144.42
Require not ip 172.71.144.43
Require not ip 172.71.144.46
Require not ip 172.71.144.47
Require not ip 172.71.144.50
Require not ip 172.71.144.51
Require not ip 172.71.144.52
Require not ip 172.71.144.53
Require not ip 172.71.144.54
Require not ip 172.71.144.55
Require not ip 172.71.144.64
Require not ip 172.71.144.65
Require not ip 172.71.144.66
Require not ip 172.71.144.67
Require not ip 172.71.144.68
Require not ip 172.71.144.69
Require not ip 172.71.144.72
Require not ip 172.71.144.73
Require not ip 172.71.144.78
Require not ip 172.71.144.79
Require not ip 172.71.144.80
Require not ip 172.71.144.81
Require not ip 172.71.144.82
Require not ip 172.71.144.83
Require not ip 172.71.144.86
Require not ip 172.71.144.87
Require not ip 172.71.144.92
Require not ip 172.71.144.93
Require not ip 172.71.144.120
Require not ip 172.71.144.121
Require not ip 172.71.144.168
Require not ip 172.71.144.169
Require not ip 172.71.144.174
Require not ip 172.71.144.175
Require not ip 172.71.144.178
Require not ip 172.71.144.179
Require not ip 172.71.144.180
Require not ip 172.71.144.181
Require not ip 172.71.164.2
Require not ip 172.71.164.3
Require not ip 172.71.164.12
Require not ip 172.71.164.13
Require not ip 172.71.164.20
Require not ip 172.71.164.21
Require not ip 172.71.164.22
Require not ip 172.71.164.23
Require not ip 172.71.164.32
Require not ip 172.71.164.33
Require not ip 172.71.164.41
Require not ip 172.71.164.42
Require not ip 172.71.164.43
Require not ip 172.71.164.50
Require not ip 172.71.164.51
Require not ip 172.71.164.60
Require not ip 172.71.164.61
Require not ip 172.71.164.71
Require not ip 172.71.164.86
Require not ip 172.71.164.87
Require not ip 172.71.164.94
Require not ip 172.71.164.106
Require not ip 172.71.164.142
Require not ip 172.71.164.143
Require not ip 172.71.164.147
Require not ip 172.71.164.152
Require not ip 172.71.164.153
Require not ip 172.71.164.156
Require not ip 172.71.164.157
Require not ip 172.71.164.166
Require not ip 172.71.164.167
Require not ip 172.71.164.176
Require not ip 172.71.164.177
Require not ip 172.71.164.192
Require not ip 172.71.164.194
Require not ip 172.71.164.195
Require not ip 172.71.164.202
Require not ip 172.71.164.203
Require not ip 172.71.164.204
Require not ip 172.71.164.205
Require not ip 172.71.164.206
Require not ip 172.71.164.207
Require not ip 172.71.164.214
Require not ip 172.71.164.215
Require not ip 172.71.164.224
Require not ip 172.71.164.225
Require not ip 172.71.164.226
Require not ip 172.71.191.103
Require not ip 172.71.195.26
Require not ip 104.28.202.179
Require not ip 172.71.100.187
Require not ip 104.22.64.42
Require not ip 172.70.179.175
Require not ip 104.28.165.69
Require not ip 108.162.242.72
Require not ip 172.64.215.76
Require not ip 172.66.40.145
Require not ip 172.66.43.111
Require not ip 172.68.195.220
Require not ip 172.70.240.111
Require not ip 172.70.242.24
Require not ip 172.71.100.188
Require not ip 172.71.120.69
Require not ip 172.71.144.177
Require not ip 172.71.172.62
Require not ip 172.71.182.185
Require not ip 172.71.98.16
Require not ip 172.70.208.10
Require not ip 172.68.242.62
Require not ip 104.23.170.102
Require not ip 162.159.113.167
Require not ip 172.71.95.152
Require not ip 172.68.27.149
Require not ip 172.69.67.251
Require not ip 172.71.170.173
Require not ip 172.71.175.35
Require not ip 172.70.240.195
Require not ip 104.22.45.34
Require not ip 104.22.105.19
Require not ip 104.23.239.4
Require not ip 141.101.84.118
Require not ip 141.101.85.6
Require not ip 172.64.215.97
Require not ip 172.64.220.136
Require not ip 162.158.182.149
Require not ip 162.158.183.110
Require not ip 172.70.230.3
Require not ip 172.70.231.96
Require not ip 172.66.40.212
Require not ip 172.66.43.44
Require not ip 172.70.250.178
Require not ip 172.70.251.185
Require not ip 172.71.172.130
Require not ip 172.71.183.70
Require not ip 172.71.99.42
Require not ip 162.158.210.33
Require not ip 172.71.95.151
Require not ip 104.21.72.75
Require not ip 104.22.1.5
Require not ip 104.22.24.127
Require not ip 104.22.24.54
Require not ip 104.22.56.94
Require not ip 104.22.62.54
Require not ip 104.22.64.5
Require not ip 104.22.93.74
Require not ip 104.23.166.157
Require not ip 104.23.166.158
Require not ip 104.23.168.5
Require not ip 104.23.168.65
Require not ip 104.23.170.103
Require not ip 104.23.170.146
Require not ip 104.23.170.192
Require not ip 104.23.170.76
Require not ip 104.23.172.128
Require not ip 104.23.175.12
Require not ip 104.23.190.166
Require not ip 104.23.203.138
Require not ip 104.23.209.25
Require not ip 104.23.225.153
Require not ip 104.23.229.142
Require not ip 104.23.229.59
Require not ip 104.23.253.81
Require not ip 104.28.101.204
Require not ip 104.28.136.141
Require not ip 104.28.136.28
Require not ip 104.28.136.32
Require not ip 104.28.136.34
Require not ip 104.28.136.96
Require not ip 104.28.137.87
Require not ip 104.28.138.102
Require not ip 104.28.140.82
Require not ip 104.28.140.83
Require not ip 104.28.141.121
Require not ip 104.28.141.125
Require not ip 104.28.142.161
Require not ip 104.28.142.171
Require not ip 104.28.149.13
Require not ip 104.28.149.17
Require not ip 104.28.149.27
Require not ip 104.28.149.28
Require not ip 104.28.149.30
Require not ip 104.28.150.93
Require not ip 104.28.150.94
Require not ip 104.28.150.95
Require not ip 104.28.152.246
Require not ip 104.28.155.116
Require not ip 104.28.155.135
Require not ip 104.28.156.106
Require not ip 104.28.156.107
Require not ip 104.28.158.133
Require not ip 104.28.159.127
Require not ip 104.28.160.175
Require not ip 104.28.163.16
Require not ip 104.28.163.17
Require not ip 104.28.164.244
Require not ip 104.28.166.114
Require not ip 104.28.192.82
Require not ip 104.28.195.186
Require not ip 104.28.196.185
Require not ip 104.28.196.189
Require not ip 104.28.196.77
Require not ip 104.28.196.78
Require not ip 104.28.197.13
Require not ip 104.28.200.97
Require not ip 104.28.204.175
Require not ip 104.28.206.182
Require not ip 104.28.211.187
Require not ip 104.28.211.190
Require not ip 104.28.212.212
Require not ip 104.28.214.50
Require not ip 104.28.216.184
Require not ip 104.28.217.24
Require not ip 104.28.218.189
Require not ip 104.28.218.190
Require not ip 104.28.219.137
Require not ip 104.28.219.192
Require not ip 104.28.220.128
Require not ip 104.28.221.100
Require not ip 104.28.221.246
Require not ip 104.28.224.82
Require not ip 104.28.227.186
Require not ip 104.28.228.77
Require not ip 104.28.228.78
Require not ip 104.28.229.15
Require not ip 104.28.232.96
Require not ip 104.28.232.97
Require not ip 104.28.234.190
Require not ip 104.28.238.182
Require not ip 104.28.243.188
Require not ip 104.28.243.190
Require not ip 104.28.244.210
Require not ip 104.28.246.26
Require not ip 104.28.246.51
Require not ip 104.28.248.185
Require not ip 104.28.249.138
Require not ip 104.28.249.140
Require not ip 104.28.250.187
Require not ip 104.28.250.190
Require not ip 104.28.251.140
Require not ip 104.28.252.131
Require not ip 104.28.253.246
Require not ip 104.28.253.99
Require not ip 104.28.83.206
Require not ip 104.28.83.208
Require not ip 104.28.83.209
Require not ip 104.28.83.216
Require not ip 104.28.99.118
Require not ip 104.28.99.191
Require not ip 104.28.99.192
Require not ip 104.28.99.193
Require not ip 104.28.99.194
Require not ip 104.28.99.195
Require not ip 104.28.99.196
Require not ip 104.28.99.197
Require not ip 104.28.99.198
Require not ip 104.28.99.199
Require not ip 104.28.99.200
Require not ip 104.28.99.201
Require not ip 104.28.99.202
Require not ip 104.28.99.203
Require not ip 104.28.99.204
Require not ip 104.28.99.205
Require not ip 104.28.99.207
Require not ip 104.28.99.208
Require not ip 104.28.99.209
Require not ip 104.28.99.212
Require not ip 104.28.99.213
Require not ip 104.28.99.218
Require not ip 104.28.99.220
Require not ip 104.28.99.223
Require not ip 104.28.99.227
Require not ip 104.28.99.228
Require not ip 108.162.226.119
Require not ip 108.162.241.204
Require not ip 108.162.241.219
Require not ip 108.162.242.26
Require not ip 141.101.76.6
Require not ip 141.101.96.42
Require not ip 162.158.106.131
Require not ip 162.158.108.140
Require not ip 162.158.110.253
Require not ip 162.158.111.173
Require not ip 162.158.118.167
Require not ip 162.158.127.210
Require not ip 162.158.158.32
Require not ip 162.158.159.137
Require not ip 162.158.162.46
Require not ip 162.158.163.126
Require not ip 162.158.170.214
Require not ip 162.158.172.124
Require not ip 162.158.182.164
Require not ip 162.158.183.112
Require not ip 162.158.224.146
Require not ip 162.158.227.88
Require not ip 162.158.235.16
Require not ip 162.158.33.222
Require not ip 162.158.86.224
Require not ip 162.158.87.112
Require not ip 162.158.88.32
Require not ip 162.159.108.48
Require not ip 162.159.119.47
Require not ip 162.159.98.204
Require not ip 172.64.198.16
Require not ip 172.64.198.34
Require not ip 172.64.200.128
Require not ip 172.64.215.160
Require not ip 172.64.215.161
Require not ip 172.67.176.100
Require not ip 172.68.159.214
Require not ip 172.68.18.79
Require not ip 172.68.186.116
Require not ip 172.68.194.220
Require not ip 172.68.23.215
Require not ip 172.68.238.14
Require not ip 172.69.109.151
Require not ip 172.69.114.108
Require not ip 172.69.130.19
Require not ip 172.69.130.53
Require not ip 172.69.150.125
Require not ip 172.69.151.233
Require not ip 172.69.166.40
Require not ip 172.69.194.206
Require not ip 172.69.194.4
Require not ip 172.69.195.9
Require not ip 172.69.22.150
Require not ip 172.69.223.63
Require not ip 172.69.23.218
Require not ip 172.69.39.101
Require not ip 172.69.43.185
Require not ip 172.69.59.166
Require not ip 172.69.6.193
Require not ip 172.69.7.106
Require not ip 172.70.100.161
Require not ip 172.70.111.115
Require not ip 172.70.111.171
Require not ip 172.70.123.11
Require not ip 172.70.123.152
Require not ip 172.70.127.74
Require not ip 172.70.142.131
Require not ip 172.70.176.126
Require not ip 172.70.176.128
Require not ip 172.70.176.134
Require not ip 172.70.176.14
Require not ip 172.70.176.144
Require not ip 172.70.176.146
Require not ip 172.70.176.148
Require not ip 172.70.176.150
Require not ip 172.70.176.164
Require not ip 172.70.176.46
Require not ip 172.70.176.76
Require not ip 172.70.176.94
Require not ip 172.70.178.15
Require not ip 172.70.179.85
Require not ip 172.70.220.6
Require not ip 172.70.247.32
Require not ip 172.70.248.129
Require not ip 172.70.46.131
Require not ip 172.70.46.222
Require not ip 172.70.46.223
Require not ip 172.70.47.179
Require not ip 172.70.47.180
Require not ip 172.70.50.30
Require not ip 172.70.58.85
Require not ip 172.70.80.138
Require not ip 172.70.85.80
Require not ip 172.70.90.115
Require not ip 172.70.91.173
Require not ip 172.70.92.218
Require not ip 172.70.94.162
Require not ip 172.71.1.131
Require not ip 172.71.1.147
Require not ip 172.71.102.232
Require not ip 172.71.102.237
Require not ip 172.71.102.8
Require not ip 172.71.102.9
Require not ip 172.71.102.96
Require not ip 172.71.103.100
Require not ip 172.71.103.62
Require not ip 172.71.103.99
Require not ip 172.71.119.100
Require not ip 172.71.120.170
Require not ip 172.71.120.37
Require not ip 172.71.124.170
Require not ip 172.71.130.137
Require not ip 172.71.144.85
Require not ip 172.71.148.108
Require not ip 172.71.154.23
Require not ip 172.71.155.60
Require not ip 172.71.164.174
Require not ip 172.71.172.83
Require not ip 172.71.182.168
Require not ip 172.71.182.242
Require not ip 172.71.182.248
Require not ip 172.71.183.194
Require not ip 172.71.183.6
Require not ip 172.71.183.83
Require not ip 172.71.190.252
Require not ip 172.71.203.28
Require not ip 172.71.212.4
Require not ip 172.71.232.21
Require not ip 172.71.255.14
Require not ip 172.71.99.135
Require not ip 172.71.99.177
Require not ip 198.41.230.38
Require not ip 198.41.231.13
    </RequireAll>
</IfModule>

SPAM動向 2006年3月

　サーバー事業部です。毎日多くのSpamメール退治をしています、今まではネットに書くことはなかったのですが SPAM配信側動向の記録にもなりますので記していこうと思います。

2026年6月サイバーアタックログ総括

6月は特定のクラウドプロバイダーや地域からの攻撃傾向に変化が見られた月でした。全体的な攻撃の総数や頻度は変動しつつも、常に特定の主要プレイヤー（MSFT, GCP, Cloudflare, AWS）が主要な脅威源として継続している状況が確認されました。

主要な動向サマリー

主要ベンダーの継続的脅威: Microsoft (MSFT) からのスクリーニング調査（またはアクセス試行）は非常に多く、一貫して主要なトラフィックソースの一つとして確認されました。
クラウド利用の変動: Google Cloud Platform (GCP) や Amazon Web Services (AWS) の活動量は月を通じて変動が見られましたが、Cloudflareは安定した活動を維持し続けました。
地域的な拡大: イタリアからのスパム攻撃（/24 x2のパターンなど）が目立ち始めました。また、イラク、ケニア、フィリピンなど、新規または増加した地域からのアクセスも散見され、活動範囲が拡大している兆候があります。

結論

6月は、主要なクラウドベンダーへの監視活動が常態化しつつある一方、特定の地域やインフラを標的とする攻撃のパターン化が始まった月でした。来月以降も、この変動する傾向を継続的に監視し、新たな脅威ポイントへの対策を強化することが重要です。

2026年3月サイバーアタックログ総括

3月は Google Cloudを使った配信で、DKIM対応のSPAMが多く今までのフィルターでは通過することが多く苦慮している3月ですメールの内容も日本語のフィッシング詐欺です。

Googleが野放にしていることが特に問題です。

弊社の管理する多くのメールサーバーは、長年のメールサーバー経験を生かし運用しております。メールサーバーでお困りの場合は、サーバー事業部へお問い合わせください。

マイク端子って複数の種類があった

新しいMacを買ったので、今まで使っていたMacBookに使っているマイクとは別に付けようと、JUNK箱を漁っておりました。

そこで出てくる古いマイクを見ると、大きく分て３種類ありました。

MacOSで普通に使えるのが、一番上の４つの端子になっているマイクだけでした。

３っつのタイプのマイク端子ですと、変換プラグを使って使えるようになりました。２つのタイプは、私の持っている変換プラグではうまく行きませんでした。

マイクを買う時には、ご注意ください。

SSL証明書「残存」期間が47日になる

　最近、SSL（TLS)証明書が短くなりましたと、聞く機会が増えたのではないでしょうか？

TLS(SSL)証明書の有効期限は

2026/3/15日以降は、TLS 証明書の最長有効期間を 200 日
2027/3/15日以降は、TLS 証明書の最長有効期間を 100 日
2029/3/15日以降は、TLS 証明書の最長有効期間を 47 日

になります。(決定済み)

そうなると毎月更新は現実的ではなく自動化必須となっていくでしょう。 TLS(SSL)証明書発行会社が、自動化への仕組みを行なっていくのでそれに追随すと形になると思われます。例外的な事象だけ、手動申請管理になると思われます。

自動化の失敗なども考えられますので、TLS証明書の残存期間の管理は今以上に重要になっていきます。弊社では保守管理対象のサーバーでは、以前からドメインの管理 SSL証明書の管理、クラウド課金管理を行なっております。

面倒な管理は弊社へお任せください。

SPAM動向 2006年4月

　サーバー事業部です。 4月も3月と変わらずGoogle Cloudを使った配信が多い。南米発のプロバイダーからのSPAM配信も相変わらず顕著です。

2026年4月

4月も Google Cloudを使った配信で、DKIM対応のSPAMが多く今までのフィルターでは通過することが多く苦慮している4月です止めても止めてもIPが無限にあるのか？　と思うほどです。メールの内容も日本語のフィッシング詐欺

Googleが野放にしていることが特に問題です。 awsではSPAM配信にうるさいのでかなり仕組みで防いでいますね。

(有)デジタルオフィスサービス サーバー事業部では、
1998年からサーバー事業を行っており
海外専用サーバー　==> 日本国内専用サーバー
==> 福岡のデータセンターでのサーバーサービス 
=(現在)=> クラウドサーバーの構築運用保守を行っております。

こんなサーバー作って欲しいなどありましたら
事業部担当直の下記問い合わせからどうぞ

https://hq-office.rainbow7.com/toiawase-server/

Server OSのサポート終了日 EOL

サーバー事業部が扱うサーバーOSは、ほとんどがLinux OSです。特に多いのが Red Hat Enterprise Linux(RHEL)のコンパチブルOSを使いますが、サポートの終了日 EOL があります。

OS	EOL
RHEL Ver 10	2035/05/31
RHEL Ver 9	2032/05/31
RHEL Ver 8	2029/05/31
RHEL Ver 7	2024/06/30
RHEL Ver 6	2020/11/30

開発サイクルなどの参考にしてください。

コンパチブルOS(互換OS)

AlmaLinux / Rocky Linux / MIRACLE LINUX / Oracle Linux

サーバー事業部　2026/05調べ

CloudFlareからアタックが大量に来る対策

apache 2.2

apache 2.4以降

SPAM動向 2006年3月

2026年6月サイバーアタックログ総括

主要な動向サマリー

結論

2026年3月サイバーアタックログ総括

マイク端子って複数の種類があった

SSL証明書「残存」期間が47日になる

SPAM動向 2006年4月

2026年4月

Server OSのサポート終了日 EOL

コンパチブルOS(互換OS)

Navigation

Categories

Tags

Links

apache 2.2

apache 2.4以降

SPAM動向 2006年3月

2026年6月 サイバーアタックログ総括

主要な動向サマリー

結論

2026年3月 サイバーアタックログ総括

マイク端子って複数の種類があった

SSL証明書 「残存」 期間が47日になる

SPAM動向 2006年4月

2026年4月

Server OSのサポート終了日 EOL

コンパチブルOS(互換OS)

Navigation

Categories

Tags

Links

2026年6月サイバーアタックログ総括

2026年3月サイバーアタックログ総括

SSL証明書「残存」期間が47日になる