Entries by Stefan Helander

Microsoft January 11, 2022 update breaks L2TP VPN [solution]

Microsoft update KB5009543 breaks L2TP VPN functionality causing error message “The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computer“. Investigating the log shows error 789 for rasclient. A temporary solution is to uninstall KB50009543. Run cmd as administrator and enter: After reboot VPN will […]

Why I love end fed half wave (EFHW) antennas

The antenna seems always to be a compromise between practical matters and performance. While not being the most high performance antenna, I find the end fed half wave (EFHW) a very practical antenna, especially during portable operations. The EFHW doesn’t need to be straight. It can be bent in angles and be “abused” a lot. […]

Ispconfig3 monitor tab not opening when using non-english language [BUG – WORKAROUND]

This is caused by a bug when saving the translation file concerning the langauge key for “Let’s Encrypt log”. When the translation file for the Monitor tab is saved, the necessary backslash before the ‘ in “Let’s” is not saved into the file. The problem is described in this bug report: https://git.ispconfig.org/ispconfig/ispconfig3/-/issues/5881 but for the […]