Sorry, I didn't know that ftp was not a server program... My point of view is that it should not be activated by default, but should be easily configurable with a GUI, probably the same GUI that should configure the FW.
I add the ubuntu network team and the ubuntu security team to the bug. -- proc/sys/net/ipv4/tcp_syncookies=1 should be seriously considered to permit SYN flood defense... https://launchpad.net/bugs/57091 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs