Re: [squid-users] connecting directly to ssl-bump intercept port causes runaway CPU

2014-11-12 Thread Eliezer Croitoru
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hey Jason, Indeed it is nasty. I do not remember now how I advised in the past to defend against this issue. There is a "risk" in every system operation and this is one of them. You indeed found this "bug" or security vulnerability! Specially on linu

Re: [squid-users] connecting directly to ssl-bump intercept port causes runaway CPU

2014-11-12 Thread Jason Haar
Typical, I figured out an iptables workaround within seconds of sending my last email I still think squid needs to be able to stop this DoS, but this will stop the issue occurring iptables -t nat -A PREROUTING -d proxy.ip -i lan.interface -p tcp -m tcp --dport 3127 -j REDIRECT --to-ports 9876 #98

Re: [squid-users] connecting directly to ssl-bump intercept port causes runaway CPU

2014-11-12 Thread Jason Haar
On 12/11/14 18:59, Amos Jeffries wrote: > > That being one of the "NAT security vulnerabilities" mentioned as > reason for mangle table rules. Sorry, I should have said that if I remove the iptables 443 redirect rule, it still occurs! > > 3) Squid connected there to fetch the SSL certificate deta

Re: [squid-users] connecting directly to ssl-bump intercept port causes runaway CPU

2014-11-11 Thread Amos Jeffries
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 12/11/2014 5:49 p.m., Jason Haar wrote: > Hi there > > I was reading this list about the issue with google.com and was > playing around - and I used telnet to connect directly to the > intercept ssl-bump port. End result was squid immediately went

[squid-users] connecting directly to ssl-bump intercept port causes runaway CPU

2014-11-11 Thread Jason Haar
Hi there I was reading this list about the issue with google.com and was playing around - and I used telnet to connect directly to the intercept ssl-bump port. End result was squid immediately went to 99% CPU, and the cache.log started reporting WARNING! Your cache is running out of filedescripto