This may be also influenced by PAM and resource limits. On my Ubuntu desktop: # Sets up user limits according to /etc/security/limits.conf # (Replaces the use of /etc/limits in old login) session required pam_limits.so I had to add this into limits.conf to get a decent amount of filedescriptors; the default amount was locked down to 1024 fds per non-root process: * hard nofile 8192 On Thu, May 18, 2006, Henrik Nordstrom wrote: > tor 2006-05-18 klockan 18:15 +0200 skrev Mark Elsen: > > > - http://www.squid-cache.org/Doc/FAQ/FAQ-11.html#ss11.4 > > - You also need to increase the max. allowed open files per process; > > See : > > > > /proc/sys/fs/file-max > > file-max is the system global limit for the whole system. Per process > limits is set by ulimit. > > Regards > Henrik