jerry hedden drbcqzxlcpanorg danett song wrote program work perfectly im requesting http pages multiple threads however change http https multiple threads program crash segmentation fault access violation use https one thread program work perfectly thats looks like really strange come mind https thread safe perl nothing protocol per se modules implement ssl modules instaled libcryptssleayperl 0515 libiosocketsslperl 1011 libnetssleayperl 1301 jerry hedden wrote likely one modules threadsafe need file bug reports whichever determine problem read pod threads module discusses possible work arounds nonthreadsafe modules bug perl interpreter bug report closed tels wrote fast remember bug blead fixed recently showed grabbed enough things lwp fast enough loaded enough modules fast enough would go boom sorry cant remeber bug however originator reported threaded app works perfectly http ie without suspect modules fails https ie suspect modules netssleay cryptssleay xs modules notorious threadsafe additionally pod netssleay caveats related thread usage wed 06 aug 2008 102749 0400 perl 46459 perl threads https crash