it seems so, that this behaviour was not a bug in the kernel and ubuntu. The reason was a bug in the ciso firewall of our ISP. So you can close this bug.
I will hopefully report some more details later. -- file uploads over network address translation did not work https://bugs.launchpad.net/bugs/109580 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
