{"id":18154,"date":"2014-01-12T06:44:28","date_gmt":"2014-01-11T22:44:28","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2014\/01\/12\/%e4%bb%a5-fail2ban-%e5%81%b5%e6%b8%ac-ftp-%e9%80%a3%e7%b7%9a%e6%94%bb%e6%93%8a-vsftpd-%e7%af%87\/"},"modified":"2021-03-18T17:23:48","modified_gmt":"2021-03-18T09:23:48","slug":"%e4%bb%a5-fail2ban-%e5%81%b5%e6%b8%ac-ftp-%e9%80%a3%e7%b7%9a%e6%94%bb%e6%93%8a-vsftpd-%e7%af%87","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2014\/01\/12\/%e4%bb%a5-fail2ban-%e5%81%b5%e6%b8%ac-ftp-%e9%80%a3%e7%b7%9a%e6%94%bb%e6%93%8a-vsftpd-%e7%af%87\/","title":{"rendered":"\u4ee5 fail2ban \u5075\u6e2c ftp \u9023\u7dda\u653b\u64ca – vsFTPd \u7bc7"},"content":{"rendered":"

\u4fee\u6539 vsFTPd FTP Server \u8a2d\u5b9a
# vim \/etc\/vsftpd\/vsftpd.conf<\/span>
# The target log file can be vsftpd_log_file or xferlog_file.<\/span>
# This depends on setting xferlog_std_format parameter<\/span>
xferlog_enable=YES<\/span>
#<\/span>
# The name of log file when xferlog_enable=YES and xferlog_std_format=YES<\/span>
# WARNING – changing this filename affects \/etc\/logrotate.d\/vsftpd.log<\/span>
xferlog_file=\/var\/log\/xferlog<\/span>
#<\/span>
# Switches between logging into vsftpd_log_file and xferlog_file files.<\/span>
# NO writes to vsftpd_log_file, YES to xferlog_file<\/span>
#xferlog_std_format=YES<\/span><\/p>\n

\u91cd\u65b0\u555f\u52d5 vsFTPd FTP Server
# service vsftpd restart<\/span>
[@more@]\u4fee\u6539 fail2ban \u8a2d\u5b9a
# vim \/etc\/fail2ban\/jail.conf<\/span>
[vsftpd-iptables]<\/span><\/p>\n

enabled\u00a0 = true<\/span>
filter\u00a0\u00a0 = vsftpd<\/span>
action\u00a0\u00a0 = iptables[name=VSFTPD, port=ftp, protocol=tcp]<\/span>
#\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sendmail-whois[name=VSFTPD, dest=you@example.com]<\/span>
logpath\u00a0 = \/var\/log\/vsftpd.log<\/span>
maxretry = 3<\/span>
bantime\u00a0 = 86400<\/span><\/p>\n

\u91cd\u65b0\u555f\u52d5 fail2ban
# service fail2ban restart<\/span><\/p>\n

\u76ee\u524d\u5df2\u7d93\u6709\u4e8c\u500b\u963b\u64cb\u7684\u898f\u5247 ssh-iptables, vsftpd-iptables
# fail2ban-client status<\/span>
Status<\/span>
|- Number of jail:\u00a0\u00a0\u00a0\u00a0\u00a0 2<\/span>
`- Jail list:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ssh-iptables, vsftpd-iptables<\/span><\/span><\/p>\n

\u4ee5 Client IP 192.168.1.1 \u9023\u7dda Server IP 192.168.1.9 \u505a\u932f\u8aa4\u9023\u7dda
\"\"<\/a><\/p>\n

\u53ef\u4ee5\u5728 vsftpd-iptables \u5217\u51fa\u6709\u5075\u6e2c\u5230\u7684\u9023\u7dda\u653b\u64ca
# fail2ban-client status vsftpd-iptables<\/span>
Status for the jail: vsftpd-iptables<\/span>
|- filter<\/span>
|\u00a0 |- File list:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/var\/log\/vsftpd.log<\/span>
|\u00a0 |- Currently failed: 0<\/span>
|\u00a0 `- Total failed:\u00a0\u00a0\u00a0\u00a0 5<\/span>
`- action<\/span>
\u00a0\u00a0 |- Currently banned: 1<\/span>
\u00a0\u00a0 |\u00a0 `- IP list:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 192.168.1.1<\/span><\/span>
\u00a0\u00a0 `- Total banned:\u00a0\u00a0\u00a0\u00a0 1<\/span><\/p>\n

\u5728\u9632\u706b\u7246\u898f\u5247\u4e0a\u7684\u898f\u5247
# iptables -t filter -L fail2ban-VSFTPD -n<\/span>
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>
DROP\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 all\u00a0 —\u00a0 192.168.1.1\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","protected":false},"excerpt":{"rendered":"

\u4fee\u6539 vsFTPd FTP Server \u8a2d\u5b9a# vim \/etc\/vsftpd\/vsftpd.conf # … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008\u4ee5 fail2ban \u5075\u6e2c ftp \u9023\u7dda\u653b\u64ca – vsFTPd \u7bc7\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":[138,130,132],"tags":[],"class_list":["post-18154","post","type-post","status-publish","format-standard","hentry","category-c-78483","category-c-78475","category-c-78477"],"meta_key":{"_encloseme":["1"],"lt_post_id":["468985"],"_pingme":["1"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/18154"}],"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=18154"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/18154\/revisions"}],"predecessor-version":[{"id":19830,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/18154\/revisions\/19830"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=18154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=18154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=18154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}