On 27/05/2014 4:32 p.m., Farooq Bhatti wrote: > Hi There, > > Pardon me for long email. Actually I faced a DOS attack in a university > setup and want to get help to avoid it in future. I am using squid following > version > > squid -v > Squid Cache: Version 3.4.3 Could be this: http://www.squid-cache.org/Advisories/SQUID-2014_1.txt Please upgrade to the latest Squid version. Today that is 3.4.5. Amos