- 現在との差分 を表示
- ソース を表示
- YAMAHA/RTX/vpndrop へ行く。
2: 2015-10-19 (月) 20:37:20 nobuaki | 3: 2015-10-21 (水) 10:59:07 nobuaki | ||
---|---|---|---|
Line 68: | Line 68: | ||
これでしらばく様子を見る. | これでしらばく様子を見る. | ||
+ | |||
+ | **数日経過してRejectedを確認 [#fc9700ee] | ||
+ | |||
+ | タイトルの徹ですが,リジェクトを確認しました.これでフィルタが動作していることが確認できました. | ||
+ | |||
+ | > show log reverse|grep 1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 203.141.135.21:1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 203.141.135.23:1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 203.141.135.19:1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 203.141.135.16:1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 203.141.135.20:1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 203.141.135.18:1723 | ||
+ | 2015/10/21 09:53:38: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22203 > 192.168.0.1:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.23:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.21:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.19:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.18:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.20:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.22:1723 | ||
+ | 2015/10/21 04:39:35: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 192.168.0.1:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 203.141.135.21:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 203.141.135.23:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 203.141.135.19:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 203.141.135.16:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 203.141.135.18:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 203.141.135.20:1723 | ||
+ | 2015/10/20 23:25:44: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22200 > 192.168.0.1:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.20:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.16:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.18:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 192.168.0.1:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.21:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.19:1723 | ||
+ | 2015/10/20 18:11:54: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.23:1723 | ||
+ | 2015/10/20 12:57:56: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.21:1723 | ||
+ | 2015/10/20 12:57:56: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.19:1723 | ||
+ | 2015/10/20 12:57:56: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.20:1723 | ||
+ | 2015/10/20 12:57:56: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 192.168.0.1:1723 | ||
+ | 2015/10/20 12:57:56: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22207 > 203.141.135.16:1723 | ||
+ | 2015/10/20 07:43:58: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 203.141.135.19:1723 | ||
+ | 2015/10/20 07:43:58: PP[01] Rejected at IN(2511) filter: TCP 113.108.21.16:22202 > 192.168.0.1:1723 | ||
+ | > | ||
+ | |||
+ | これを見ていると,普通にIPアドレスの末尾を連番で接続してきているのがわかります. | ||
+ | |||
+ | **RTXへの1723ポートへの接続を過去ログをsyslogから調べてみる [#c9c4958a] | ||
+ | |||
+ | RTX1100のログはsyslogサーバへ転送しているので,そのログからPPTPによるVPN(1723)へ接続してきているIPアドレスを調べる. | ||
+ | |||
+ | ujp:log vpnserver$ grep ":1723" rtx.log|head | ||
+ | May 14 14:01:18 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 180.153.113.141:22207 > 192.168.0.1:1723 | ||
+ | May 14 14:01:19 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 183.60.48.25:27519 > 192.168.0.1:1723 | ||
+ | May 15 05:10:21 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 112.216.163.130:6000 > 192.168.0.1:1723 | ||
+ | May 15 16:42:05 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 218.17.160.22:42861 > 192.168.0.1:1723 | ||
+ | May 16 14:01:23 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 180.153.113.141:22208 > 192.168.0.1:1723 | ||
+ | May 16 14:01:23 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 183.60.48.25:44856 > 192.168.0.1:1723 | ||
+ | May 16 17:32:57 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 112.216.163.130:6000 > 192.168.0.1:1723 | ||
+ | May 17 21:32:36 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 114.112.90.54:35337 > 192.168.0.1:1723 | ||
+ | May 17 21:32:37 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 114.112.90.54:35337 > 192.168.0.1:1723 | ||
+ | May 17 21:32:38 203.141.135.17 PP[01] Passed at IN(2009) filte]: TCP 114.112.90.54:35337 > 192.168.0.1:1723 | ||
+ | ujp:log vpnserver$ | ||
+ | |||
+ | source IPアドレスを取り出すために,次のようにコマンドを設定. | ||
+ | |||
+ | ujp:log vpnserver$ grep ":1723" rtx.log|awk '{print $11}'|sed 's/:/ /g'|awk '{print $1}'|sort|uniq -c|sort -r | ||
+ | 855 183.60.48.25 | ||
+ | 258 113.108.21.16 | ||
+ | 223 91.214.71.176 | ||
+ | 209 180.153.113.141 | ||
+ | 164 37.46.105.40 | ||
+ | 130 218.77.79.38 | ||
+ | 121 61.160.224.129 | ||
+ | 91 61.240.144.66 | ||
+ | 78 61.240.144.65 | ||
+ | 67 61.240.144.64 | ||
+ | 54 61.240.144.67 | ||
+ | 50 66.240.192.138 | ||
+ | 38 42.120.142.221 | ||
+ | 36 71.6.167.142 | ||
+ | 36 71.6.135.131 | ||
+ | 33 198.20.69.98 | ||
+ | 32 92.247.120.50 | ||
+ | 32 66.240.236.119 | ||
+ | 29 71.6.165.200 | ||
+ | 27 85.25.103.50 | ||
+ | 27 14.17.35.181 | ||
+ | 25 198.20.70.114 | ||
+ | 24 42.156.250.110 | ||
+ | 22 42.156.250.112 | ||
+ | 22 42.156.250.111 | ||
+ | 22 37.46.105.77 | ||
+ | 21 42.120.142.220 | ||
+ | 20 42.156.250.115 | ||
+ | 19 42.120.142.223 | ||
+ | 18 42.156.250.116 | ||
+ | 18 42.156.250.113 | ||
+ | 17 42.156.250.119 | ||
+ | 15 160.249.228.226 | ||
+ | 13 91.192.92.18 | ||
+ | 13 160.249.248.137 | ||
+ | 12 42.120.142.222 | ||
+ | 10 42.156.250.117 | ||
+ | 9 112.216.163.130 | ||
+ | 8 93.120.27.62 | ||
+ | 7 42.156.250.118 | ||
+ | 7 42.156.250.114 | ||
+ | 7 223.152.40.93 | ||
+ | 7 223.152.208.143 | ||
+ | 7 222.242.143.53 | ||
+ | 6 93.174.93.68 | ||
+ | 6 182.118.54.62 | ||
+ | 6 182.118.53.149 | ||
+ | 6 182.118.53.110 | ||
+ | 6 114.112.90.54 | ||
+ | 5 89.46.100.172 | ||
+ | 5 82.221.105.6 | ||
+ | 5 182.118.55.225 | ||
+ | 5 182.118.54.88 | ||
+ | 5 182.118.53.83 | ||
+ | 5 182.118.53.120 | ||
+ | 5 1.72.132.218 | ||
+ | 4 222.107.91.130 | ||
+ | 4 182.118.60.75 | ||
+ | 4 182.118.60.57 | ||
+ | 4 182.118.60.54 | ||
+ | 4 182.118.55.144 | ||
+ | 4 182.118.53.74 | ||
+ | 4 182.118.45.250 | ||
+ | 4 182.118.45.237 | ||
+ | 4 150.255.118.88 | ||
+ | 4 123.117.167.147 | ||
+ | 4 122.226.102.84 | ||
+ | 4 119.4.26.184 | ||
+ | 4 112.80.138.35 | ||
+ | 3 85.10.210.199 | ||
+ | 3 61.55.208.115 | ||
+ | 3 61.52.59.196 | ||
+ | 3 61.52.50.145 | ||
+ | 3 60.216.142.113 | ||
+ | 3 60.216.140.18 | ||
+ | 3 60.216.137.180 | ||
+ | 3 60.208.164.245 | ||
+ | 3 60.166.225.127 | ||
+ | 3 60.16.15.219 | ||
+ | 3 60.16.13.42 | ||
+ | 3 60.16.1.75 | ||
+ | 3 59.174.194.25 | ||
+ | 3 59.174.194.181 | ||
+ | 3 59.174.188.75 | ||
+ | 3 59.174.188.19 | ||
+ | 3 59.174.188.124 | ||
+ | 3 58.243.229.40 | ||
+ | 3 58.20.99.77 | ||
+ | 3 58.20.99.232 | ||
+ | 3 58.20.98.73 | ||
+ | 3 58.20.98.202 | ||
+ | 3 58.20.98.152 | ||
+ | 3 58.19.1.199 | ||
+ | 3 58.19.1.134 | ||
+ | 3 58.19.0.80 | ||
+ | 3 58.19.0.44 | ||
+ | 3 49.74.81.136 | ||
+ | 3 45.79.164.57 | ||
+ | 3 42.92.129.95 | ||
+ | 3 42.92.129.198 | ||
+ | 3 36.44.99.141 | ||
+ | 3 27.211.57.128 | ||
+ | 3 27.211.179.63 | ||
+ | 3 27.211.176.25 | ||
+ | 3 27.10.76.243 | ||
+ | 3 27.10.76.200 | ||
+ | 3 27.10.73.165 | ||
+ | 3 27.10.209.156 | ||
+ | 3 222.94.97.34 | ||
+ | 3 222.75.44.211 | ||
+ | 3 222.75.38.105 | ||
+ | 3 221.0.17.141 | ||
+ | 3 220.200.25.254 | ||
+ | 3 220.173.16.31 | ||
+ | 3 220.169.18.75 | ||
+ | 3 219.157.194.34 | ||
+ | 3 219.157.193.54 | ||
+ | 3 218.8.85.223 | ||
+ | 3 218.58.34.35 | ||
+ | 3 218.58.33.202 | ||
+ | 3 217.12.204.104 | ||
+ | 3 211.97.123.99 | ||
+ | 3 211.97.123.86 | ||
+ | 3 211.97.123.69 | ||
+ | 3 211.97.123.18 | ||
+ | 3 211.97.122.243 | ||
+ | 3 211.138.245.224 | ||
+ | 3 210.76.215.72 | ||
+ | 3 210.76.194.2 | ||
+ | 3 210.72.64.191 | ||
+ | 3 188.138.9.50 | ||
+ | 3 182.242.59.250 | ||
+ | 3 182.118.60.83 | ||
+ | 3 182.118.60.50 | ||
+ | 3 182.118.55.159 | ||
+ | 3 182.118.54.17 | ||
+ | 3 182.118.45.229 | ||
+ | 3 182.108.48.179 | ||
+ | 3 180.109.226.40 | ||
+ | 3 175.184.165.199 | ||
+ | 3 175.184.160.99 | ||
+ | 3 175.17.210.36 | ||
+ | 3 175.17.207.106 | ||
+ | 3 175.17.194.10 | ||
+ | 3 175.12.104.148 | ||
+ | 3 171.37.255.123 | ||
+ | 3 171.37.252.38 | ||
+ | 3 171.37.110.151 | ||
+ | 3 171.37.108.106 | ||
+ | 3 171.36.55.244 | ||
+ | 3 171.36.53.76 | ||
+ | 3 153.0.60.237 | ||
+ | 3 150.255.22.238 | ||
+ | 3 150.255.17.145 | ||
+ | 3 14.104.191.70 | ||
+ | 3 14.104.190.165 | ||
+ | 3 14.104.189.27 | ||
+ | 3 14.104.189.199 | ||
+ | 3 14.104.187.67 | ||
+ | 3 14.104.184.119 | ||
+ | 3 139.212.96.214 | ||
+ | 3 139.212.92.22 | ||
+ | 3 125.76.92.26 | ||
+ | 3 125.211.38.65 | ||
+ | 3 125.211.38.221 | ||
+ | 3 125.119.8.168 | ||
+ | 3 124.90.53.224 | ||
+ | 3 124.90.49.190 | ||
+ | 3 124.90.48.126 | ||
+ | 3 123.6.170.24 | ||
+ | 3 123.6.161.177 | ||
+ | 3 123.158.61.163 | ||
+ | 3 123.139.23.68 | ||
+ | 3 123.139.23.107 | ||
+ | 3 123.139.21.15 | ||
+ | 3 123.117.166.72 | ||
+ | 3 123.117.165.68 | ||
+ | 3 123.117.163.229 | ||
+ | 3 122.96.17.218 | ||
+ | 3 122.96.16.11 | ||
+ | 3 122.96.130.207 | ||
+ | 3 121.237.195.14 | ||
+ | 3 121.237.192.58 | ||
+ | 3 120.85.201.95 | ||
+ | 3 120.32.70.44 | ||
+ | 3 119.4.27.52 | ||
+ | 3 119.4.24.45 | ||
+ | 3 119.119.178.63 | ||
+ | 3 119.108.158.16 | ||
+ | 3 119.108.145.2 | ||
+ | 3 118.81.6.145 | ||
+ | 3 118.81.226.11 | ||
+ | 3 118.250.141.99 | ||
+ | 3 118.250.141.53 | ||
+ | 3 116.114.73.249 | ||
+ | 3 116.113.70.185 | ||
+ | 3 115.200.236.87 | ||
+ | 3 115.198.203.55 | ||
+ | 3 114.97.87.250 | ||
+ | 3 114.97.65.176 | ||
+ | 3 114.96.165.62 | ||
+ | 3 114.96.162.27 | ||
+ | 3 114.221.19.131 | ||
+ | 3 113.248.147.9 | ||
+ | 3 113.135.99.137 | ||
+ | 3 113.135.98.60 | ||
+ | 3 112.80.211.55 | ||
+ | 3 112.80.137.117 | ||
+ | 3 112.67.214.129 | ||
+ | 3 112.67.193.160 | ||
+ | 3 112.66.85.203 | ||
+ | 3 112.66.51.203 | ||
+ | 3 112.66.28.22 | ||
+ | 3 112.66.24.177 | ||
+ | 3 112.193.88.15 | ||
+ | 3 112.123.29.203 | ||
+ | 3 112.117.16.17 | ||
+ | 3 112.111.3.153 | ||
+ | 3 112.111.1.249 | ||
+ | 3 112.111.0.96 | ||
+ | 3 112.111.0.76 | ||
+ | 3 111.85.216.86 | ||
+ | 3 111.85.216.59 | ||
+ | 3 111.85.179.140 | ||
+ | 3 111.162.153.231 | ||
+ | 3 111.162.152.189 | ||
+ | 3 111.162.142.161 | ||
+ | 3 111.113.165.247 | ||
+ | 3 110.84.209.25 | ||
+ | 3 110.84.208.130 | ||
+ | 3 110.84.203.102 | ||
+ | 3 110.241.68.152 | ||
+ | 3 110.240.175.225 | ||
+ | 3 106.45.173.86 | ||
+ | 3 101.68.4.31 | ||
+ | 3 101.68.127.206 | ||
+ | 3 101.68.126.59 | ||
+ | 3 101.24.55.183 | ||
+ | 3 1.31.59.58 | ||
+ | 3 1.31.57.240 | ||
+ | 2 91.224.160.18 | ||
+ | 2 66.154.119.132 | ||
+ | 2 64.34.253.40 | ||
+ | 2 60.248.138.219 | ||
+ | 2 59.15.16.105 | ||
+ | 2 222.98.225.248 | ||
+ | 2 218.17.160.22 | ||
+ | 2 211.241.133.40 | ||
+ | 2 210.205.0.249 | ||
+ | 2 209.183.219.246 | ||
+ | 2 188.138.1.218 | ||
+ | 2 182.118.60.87 | ||
+ | 2 182.118.60.63 | ||
+ | 2 182.118.60.56 | ||
+ | 2 182.118.60.48 | ||
+ | 2 182.118.60.37 | ||
+ | 2 182.118.60.19 | ||
+ | 2 182.118.60.15 | ||
+ | 2 182.118.60.14 | ||
+ | 2 182.118.60.115 | ||
+ | 2 182.118.55.240 | ||
+ | 2 182.118.55.212 | ||
+ | 2 182.118.55.210 | ||
+ | 2 182.118.55.202 | ||
+ | 2 182.118.55.200 | ||
+ | 2 182.118.55.196 | ||
+ | 2 182.118.55.185 | ||
+ | 2 182.118.55.179 | ||
+ | 2 182.118.55.175 | ||
+ | 2 182.118.55.165 | ||
+ | 2 182.118.55.161 | ||
+ | 2 182.118.55.153 | ||
+ | 2 182.118.55.147 | ||
+ | 2 182.118.55.135 | ||
+ | 2 182.118.55.114 | ||
+ | 2 182.118.55.113 | ||
+ | 2 182.118.54.86 | ||
+ | 2 182.118.54.56 | ||
+ | 2 182.118.54.54 | ||
+ | 2 182.118.54.21 | ||
+ | 2 182.118.54.19 | ||
+ | 2 182.118.54.12 | ||
+ | 2 182.118.54.115 | ||
+ | 2 182.118.54.114 | ||
+ | 2 182.118.54.109 | ||
+ | 2 182.118.54.102 | ||
+ | 2 182.118.53.99 | ||
+ | 2 182.118.53.86 | ||
+ | 2 182.118.53.81 | ||
+ | 2 182.118.53.70 | ||
+ | 2 182.118.53.52 | ||
+ | 2 182.118.53.37 | ||
+ | 2 182.118.53.252 | ||
+ | 2 182.118.53.235 | ||
+ | 2 182.118.53.225 | ||
+ | 2 182.118.53.218 | ||
+ | 2 182.118.53.213 | ||
+ | 2 182.118.53.207 | ||
+ | 2 182.118.53.201 | ||
+ | 2 182.118.53.200 | ||
+ | 2 182.118.53.194 | ||
+ | 2 182.118.53.168 | ||
+ | 2 182.118.53.150 | ||
+ | 2 182.118.53.143 | ||
+ | 2 182.118.53.138 | ||
+ | 2 182.118.53.132 | ||
+ | 2 182.118.53.106 | ||
+ | 2 182.118.53.101 | ||
+ | 2 182.118.45.245 | ||
+ | 2 182.118.45.217 | ||
+ | 2 171.13.14.51 | ||
+ | 2 171.13.14.3 | ||
+ | 2 171.13.14.29 | ||
+ | 2 159.226.134.253 | ||
+ | 2 113.17.173.12 | ||
+ | 2 112.123.27.200 | ||
+ | 2 107.178.109.9 | ||
+ | 2 101.226.179.84 | ||
+ | 1 95.211.191.156 | ||
+ | 1 94.102.49.207 | ||
+ | 1 93.174.95.83 | ||
+ | 1 93.174.93.235 | ||
+ | 1 92.247.120.60 | ||
+ | 1 89.40.71.152 | ||
+ | 1 89.248.174.100 | ||
+ | 1 89.248.169.35 | ||
+ | 1 80.82.78.27 | ||
+ | 1 80.82.65.59 | ||
+ | 1 80.82.65.205 | ||
+ | 1 80.82.64.68 | ||
+ | 1 69.164.203.180 | ||
+ | 1 66.154.119.29 | ||
+ | 1 66.154.119.12 | ||
+ | 1 66.154.119.11 | ||
+ | 1 66.154.119.108 | ||
+ | 1 64.34.251.53 | ||
+ | 1 64.215.242.5 | ||
+ | 1 60.21.167.126 | ||
+ | 1 23.94.17.2 | ||
+ | 1 217.71.50.2 | ||
+ | 1 211.195.214.9 | ||
+ | 1 211.186.255.122 | ||
+ | 1 203.195.168.197 | ||
+ | 1 202.74.40.117 | ||
+ | 1 198.52.103.155 | ||
+ | 1 198.12.86.74 | ||
+ | 1 198.12.86.234 | ||
+ | 1 195.211.154.157 | ||
+ | 1 195.211.154.133 | ||
+ | 1 192.74.249.136 | ||
+ | 1 178.208.77.51 | ||
+ | 1 125.220.140.248 | ||
+ | 1 124.95.181.13 | ||
+ | 1 123.140.204.6 | ||
+ | 1 122.116.6.168 | ||
+ | 1 121.225.246.214 | ||
+ | 1 114.34.252.247 | ||
+ | 1 112.216.55.162 | ||
+ | 1 111.192.165.77 | ||
+ | 1 107.151.195.229 | ||
+ | ujp:log vpnserver$ | ||
+ | |||
+ | これでみると,183.60.48.25と113.108.21.16以外にも,沢山接続されていることがわかるので,これらをRejectしていく.これでみるとトップ4は全部中国だ. | ||
+ | |||
+ | **さらにログを集計してdrop対象を絞り込む [#yfa08d5f] | ||
+ | |||
+ | IPアドレスの第2クォートで集計してみる. | ||
+ | |||
+ | ujp:log vpnserver$ grep ":1723" rtx.log|awk '{print $11}'|sed 's/:/ /g'|awk '{print $1}'|sed 's/\./ /g'|awk '{print $1"." $2".*.*"}'|sort|uniq -c|sort -r|more | ||
+ | 855 183.60.*.* | ||
+ | 290 61.240.*.* | ||
+ | 258 113.108.*.* | ||
+ | 223 91.214.*.* | ||
+ | 209 180.153.*.* | ||
+ | 199 182.118.*.* | ||
+ | 186 37.46.*.* | ||
+ | 165 42.156.*.* | ||
+ | 130 218.77.*.* | ||
+ | 121 61.160.*.* | ||
+ | 101 71.6.*.* | ||
+ | 90 42.120.*.* | ||
+ | 82 66.240.*.* | ||
+ | 58 198.20.*.* | ||
+ | 33 92.247.*.* | ||
+ | 28 160.249.*.* | ||
+ | 27 85.25.*.* | ||
+ | 27 14.17.*.* | ||
+ | 18 14.104.*.* | ||
+ | 15 59.174.*.* | ||
+ | 15 58.20.*.* | ||
+ | 15 211.97.*.* | ||
+ | 14 223.152.*.* | ||
+ | 13 91.192.*.* | ||
+ | 13 123.117.*.* | ||
+ | 12 58.19.*.* | ||
+ | 12 27.10.*.* | ||
+ | 12 171.37.*.* | ||
+ | 12 112.66.*.* | ||
+ | 12 112.111.*.* | ||
+ | 10 150.255.*.* | ||
+ | 10 119.4.*.* | ||
+ | 10 112.80.*.* | ||
+ | 10 112.216.*.* | ||
+ | 9 60.216.*.* | ||
+ | 9 60.16.*.* | ||
+ | 9 27.211.*.* | ||
+ | 9 175.17.*.* | ||
+ | 9 124.90.*.* | ||
+ | ujp:log vpnserver$ | ||
+ | |||
+ | これでトップ10を出してみる. | ||
+ | |||
+ | ujp:log vpnserver$ grep ":1723" rtx.log|awk '{print $11}'|sed 's/:/ /g'|awk '{print $1}'|sed 's/\./ /g'|awk '{print $1"." $2".*.*"}'|sort|uniq -c|sort -r|head -n 10 | ||
+ | 855 183.60.*.* | ||
+ | 290 61.240.*.* | ||
+ | 258 113.108.*.* | ||
+ | 223 91.214.*.* | ||
+ | 209 180.153.*.* | ||
+ | 199 182.118.*.* | ||
+ | 186 37.46.*.* | ||
+ | 165 42.156.*.* | ||
+ | 130 218.77.*.* | ||
+ | 121 61.160.*.* | ||
+ | ujp:log vpnserver$ | ||
+ | |||
+ | この不正アクセスしてきているIPアドレスのトップ10について,whoisコマンドでどの国の所属か確認してみる. | ||
+ | |||
+ | MBA2011:~ ujp$ whois 183.60.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 61.240.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 113.108.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 91.214.0.0|grep country | ||
+ | country: PL | ||
+ | MBA2011:~ ujp$ whois 180.153.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 182.118.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 37.46.0.0|grep country | ||
+ | country: GB | ||
+ | MBA2011:~ ujp$ whois 42.156.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 218.77.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ whois 61.160.0.0|grep country | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | country: CN | ||
+ | MBA2011:~ ujp$ | ||
+ | |||
+ | CNは中国ですが,GBはグレートブリテン,つまりイギリス.そしてPLはポーランド. | ||
+ | |||
+ | **ブロックするIPアドレスを決定する [#q1fdca8d] | ||
+ | |||
+ | ブロックするIPアドレスを多くすれば制度はあがるがFirewallのCPU負荷が高くなるので,ルール設定を最小にしてみることを考える.まずはIPアドレスだけで個数を確認する.トップ10だけとしている. | ||
+ | |||
+ | ujp:log vpnserver $ grep ":1723" rtx.log|awk '{print $11}'|sed 's/:/ /g'|awk '{print $1}'|sort|uniq -c|sort -r|head -n 10 | ||
+ | 855 183.60.48.25 | ||
+ | 258 113.108.21.16 | ||
+ | 223 91.214.71.176 | ||
+ | 209 180.153.113.141 | ||
+ | 164 37.46.105.40 | ||
+ | 130 218.77.79.38 | ||
+ | 121 61.160.224.129 | ||
+ | 91 61.240.144.66 | ||
+ | 78 61.240.144.65 | ||
+ | 67 61.240.144.64 | ||
+ | ujp:log vpnserver $ | ||
+ | |||
+ | ここでは61.240.*.*が3行ほどでているので,これはまとめることとする. | ||
+ | |||
+ | **RTX1100でフィルタを設定する [#mfd3af79] | ||
+ | |||
+ | これまで調べたIPアドレスのトップ10をブロックしてみる. | ||
+ | |||
+ | # ip filter 2512 reject 91.214.71.176 * * * * | ||
+ | # ip filter 2513 reject 180.153.113.141 * * * * | ||
+ | # ip filter 2514 reject 37.46.105.40 * * * * | ||
+ | # ip filter 2515 reject 218.77.79.38 * * * * | ||
+ | # ip filter 2516 reject 61.160.224.129 * * * * | ||
+ | # ip filter 2517 reject 61.240.*.* * * * * | ||
+ | # ip filter 2518 reject 182.118.*.* * * * * | ||
+ | # pp select 1 | ||
+ | pp1# ip pp secure filter in 2510 2511 2512 2513 2514 2516 2517 2518 2000 2001 2098 2002 2003 2004 2005 2006 2007 2008 2009 2010 2099 dynamic 2100 2101 210 | ||
+ | 2 2103 2104 2105 2106 | ||
+ | pp1# save | ||
+ | Saving ... CONFIG1 Done . | ||
+ | pp1# | ||
+ | |||
+ | またこれでしばらく様子を見てみる. |
- YAMAHA/RTX/vpndrop のバックアップ一覧
- YAMAHA/RTX/vpndrop のバックアップ差分(No. All)
- 1: 2015-10-17 (土) 20:00:18 nobuaki
- 2: 2015-10-19 (月) 20:37:20 nobuaki
- 3: 2015-10-21 (水) 10:59:07 nobuaki
- 4: 2017-12-03 (日) 01:56:10 nobuaki
- 現: 2017-12-03 (日) 02:04:42 nobuaki
Counter: 4605,
today: 3,
yesterday: 2