On Mar 21, 2011, at 4:53 PM, [email protected] wrote: >>> >>> Try it, you will get a connection timeout: >>> >>> $ curl --connect-timeout 60 https://mail.google.com/ >>> curl: (28) SSL connection timeout >>> >>> The same applies for Twitter, Facebook... Much more efficient than >>> DNS/IP blocking! >>> >> >> Thanks for the information. I was not actually aware of that you can block >> with iptables using hex strings. Very nice. >> > > Forgot to say, in terms of performance. It's better to use -j REJECT > instead of DROP (then no timeout is caused and the connection is rejected > with ICMP destination unreachable. >
Not if you want it to look like a problem with Google's infrastructure rather than an active block where initiator can see the source of the ICMP datagrams. -- chort _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
