驚人的理論
Posted in Daily on October 25th, 2010 by Banbanli今年普遍大家領得都不好，有一些人可能連一大洋都沒有領到。不禁讓我思考明年會不會一樣還是發給你一張比較表，說明你去年的年收入跟今年的年收入，大概差了多少。
然後才明白，年薪逐年減少….
公司想用Cash cow 來養新產品，原本公司擴張就是這樣做的，不過假如新產品是一個大黑洞，那那隻金牛是否有一天會被吃完？
fail2ban
Posted in Daily on October 25th, 2010 by Banbanli先安裝，之後在微調～
Using Fail2ban with Dovecot
Create the filter file /etc/fail2ban/filter.d/dovecot-pop3imap.conf:
[Definition]
failregex = (?: pop3-login|imap-login): (?:Authentication failure|Aborted login \(auth failed|Aborted login \(tried to use disabled|Disconnected \(auth failed).*rip=(?P\S*),.*
ignoreregex =
Add the following to /etc/fail2ban/jail.conf:
[dovecot-pop3imap]
enabled = true
filter = dovecot-pop3imap
action = iptables-multiport[name=dovecot-pop3imap, port="pop3,imap", protocol=tcp]
logpath = /var/log/maillog
maxretry = 20
findtime = 1200
bantime = 1200
refer
http://wiki.dovecot.org/HowTo/Fail2Ban