Category Security

Reaching the open files limit of a Qpid server with simple Nmap requests

I recently noticed a curious behavior of Apache Qpid Messaging server 0.20 while performing some simple nmap checks: while true; do   echo “$(date +’%Y/%m/%d-%H:%M:%S’) $(nmap -p 5672 qpid_server | grep ‘^5672\/tcp’)”   sleep 0.5 done Qpid’s log started growing very fast and very soon it was flooded with many (really, many: hundreds of thousands) lines […]