18Apr/100
Blocking SIP brute force attacks with fail2ban
SIP brute force attacks against Asterisk servers are very popular. Best way to defend is to block sip by default and allow only allowed IPs to connect. But we can not use this approach in some cases. Here fail2ban can help.
30Mar/100
Running Trixbox in Xen
A week ago I was searching if we can run multiple Trixboxes on one physical server.