{"id":18591,"date":"2014-11-09T06:49:26","date_gmt":"2014-11-08T22:49:26","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2014\/11\/09\/raspberry-pi-%e6%b8%ac%e8%a9%a6-archlinux-%e7%af%87-%e5%ae%89%e8%a3%9d-fail2ban\/"},"modified":"2021-03-18T17:24:10","modified_gmt":"2021-03-18T09:24:10","slug":"raspberry-pi-%e6%b8%ac%e8%a9%a6-archlinux-%e7%af%87-%e5%ae%89%e8%a3%9d-fail2ban","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2014\/11\/09\/raspberry-pi-%e6%b8%ac%e8%a9%a6-archlinux-%e7%af%87-%e5%ae%89%e8%a3%9d-fail2ban\/","title":{"rendered":"Raspberry Pi \u6e2c\u8a66 – ArchLinux \u7bc7 \u5b89\u88dd fail2ban"},"content":{"rendered":"

\u5728 ArchLinux\u00a0\u5b89\u88dd fail2ban
# pacman -S fail2ban<\/span> <\/p>\n

\u4f46\u5b89\u88dd\u597d\u4e86\u4e4b\u5f8c\uff0c\u5728 \/var\/log\u00a0\u76ee\u9304\u4e0b\u537b\u4e00\u76f4\u627e\u4e0d\u5230\u76f8\u95dc\u7684 log\u00a0\u6a94\uff0c\u5f8c\u4f86\u624d\u53c8\u5b89\u88dd\u4e86 syslog-ng\u00a0\u89e3\u6c7a\u4e86\u9019\u500b\u554f\u984c\uff01
ArchLinux \u7684\u7cfb\u7d71 ssh log \u6a94<\/a> <\/p>\n

\u4fee\u6539\u8a2d\u5b9a\u6a94\uff0c\u52a0\u5165\u5c0d ssh\u00a0\u7684\u653b\u64ca\u9632\u8b77\uff0c\u56e0\u70ba\u6839\u64da\u81ea\u5df1\u67b6\u8a2d\u7684 Server\uff0c\u5927\u90e8\u5206\u90fd\u662f\u5617\u8a66\u5c0d ssh\u00a0\u7684\u932f\u8aa4\u9023\u7dda\uff0c\u800c ftp\u00a0\u7684\u90e8\u5206\u5e7e\u4e4e\u90fd\u6c92\u6709\u3002
Chain fail2ban-ssh (1 references)<\/span>
target\u00a0\u00a0\u00a0\u00a0 prot opt source\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 destination<\/span>
DROP\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 61.174.51.232\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/span>
DROP\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 61.174.51.235\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/span>
DROP\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 122.225.109.217\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/span>
DROP\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 218.2.0.123\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/span>
RETURN\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 0.0.0.0\/0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/span><\/p>\n

Chain fail2ban-vsftpd (1 references)<\/span>
target\u00a0\u00a0\u00a0\u00a0 prot opt source\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 destination<\/span>
RETURN\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 0.0.0.0\/0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/span>[@more@]# vim \/etc\/fail2ban\/jail.conf<\/span>
\u4fee\u6539\u4e26\u52a0\u5165\u4e0b\u9762\u7684\u8a2d\u5b9a
[sshd]<\/span>
enabled = true<\/span>
port\u00a0\u00a0\u00a0 = ssh<\/span>
logpath = \/var\/log\/ssh.log<\/span>
#logpath = %(sshd_log)s<\/span>
maxretry = 3<\/span>
bantime\u00a0 = 86400<\/span><\/p>\n

\u91cd\u65b0\u555f\u52d5 fail2ban
# systemctl start fail2ban<\/span><\/p>\n

\u8a2d\u5b9a\u958b\u6a5f\u6642\u555f\u52d5
# systemctl enable fail2ban<\/span><\/p>\n

\u6aa2\u67e5 fail2ban \u7684\u72c0\u614b
# fail2ban-client status<\/span>
Status<\/span>
|- Number of jail:\u00a0\u00a0\u00a0\u00a0\u00a0 1<\/span>
`- Jail list:\u00a0\u00a0 sshd<\/span><\/span><\/p>\n

\u4ee5 Client\u00a0 IP 192.168.1.10 \u5617\u8a66\u5c0d Server IP 192.168.1.106 \u5617\u8a66\u9023\u7dda\u932f\u8aa4\u5e7e\u6b21\u4e4b\u5f8c
\u5217\u51fa fail2ban \u5075\u6e2c\u5230\u7684 SSH \u653b\u64ca
# fail2ban-client status sshd<\/span>
Status for the jail: sshd<\/span>
|- Filter<\/span>
|\u00a0 |- Currently failed: 0<\/span>
|\u00a0 |- Total failed:\u00a0\u00a0\u00a0\u00a0 3<\/span>
|\u00a0 `- File list:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/var\/log\/ssh.log<\/span><\/span>
`- Actions<\/span>
\u00a0\u00a0 |- Currently banned: 1<\/span>
\u00a0\u00a0 |- Total banned:\u00a0\u00a0\u00a0\u00a0 1<\/span>
\u00a0\u00a0 `- Banned IP list:\u00a0\u00a0 192.168.1.10<\/span><\/span><\/p>\n

\u5217\u51fa f2b-sshd \u7684\u898f\u5247
# iptables -t filter -L f2b-sshd -n<\/span>
Chain f2b-sshd (1 references)<\/span>
target\u00a0\u00a0\u00a0\u00a0 prot opt source\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 destination<\/span>
REJECT\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 192.168.1.10<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 reject-with icmp-port-unreachable<\/span>
RETURN\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 0.0.0.0\/0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\/0<\/p>\n

\u522a\u9664\u9632\u706b\u7246\u898f\u5247<\/span>
#<\/span> iptables -D f2b-sshd\u00a0 -s 192.168.1.10 -j REJECT<\/span>
<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728 ArchLinux\u00a0\u5b89\u88dd fail2ban # pacman -S fail2ban \u4f46\u5b89\u88dd\u597d\u4e86\u4e4b\u5f8c\uff0c\u5728 … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008Raspberry Pi \u6e2c\u8a66 – ArchLinux \u7bc7 \u5b89\u88dd fail2ban\u3009<\/span><\/a><\/p>\n","protected":false},"author":55,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[167,114],"tags":[],"class_list":["post-18591","post","type-post","status-publish","format-standard","hentry","category-c-84386","category-c-77340"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["521072"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/18591"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/comments?post=18591"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/18591\/revisions"}],"predecessor-version":[{"id":20218,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/18591\/revisions\/20218"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=18591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=18591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=18591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}