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[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2016-4-15 12:34:32 | 芰閰脖 撣 |摨閬 |梯璅∪
隞乩:
, h1 X7 ]1 `3 L% B+ G9 r4 D$ W# `http://serverfault.com/questions/275669/ssh-sshd-how-do-i-set-max-login-attempts
/ W* q; d. {; Y! phttp://www.cnblogs.com/taosim/articles/3134394.html7 P# M" V7 a# e' P
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1) /etc/ssh/sshd_config乩銝銵
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  1. MaxAuthTries 1
銴鋆賭誨蝣
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' O. x, A+ @/ ~2) 券脩怎乩閬
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  1. iptables -N SSHATTACK: z" l' I5 w, U# C
  2. iptables -A SSHATTACK -j LOG --log-prefix "Possible SSH attack! " --log-level 7; v) M4 I0 E- Q/ y# F! a5 n, T
  3. iptables -A SSHATTACK -j DROP
銴鋆賭誨蝣

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9 E2 j  p) b  l4 r3) /var/log/syslog 閫撖航賜ssh餅
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  1. Dec 27 18:01:58 ubuntu kernel: [  510.007570] Possible SSH attack! IN=eth0 OUT= MAC=01:2c:18:47:43:2d:10:c0:31:4d:11:ac:f8:01 SRC=192.168.203.129 DST=192.168.203.128 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=30948 DF PROTO=TCP SPT=53272 DPT=1785 WINDOW=14600 RES=0x00 SYN URGP=0
銴鋆賭誨蝣

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