James Tucker 9eb59c72c1 wgengine/magicsock: fix check for EPERM on macOS
Like Linux, macOS will reply to sendto(2) with EPERM if the firewall is
currently blocking writes, though this behavior is like Linux
undocumented. This is often caused by a faulting network extension or
content filter from EDR software.

Updates #11710
Updates #12891
Updates #13511

Signed-off-by: James Tucker <james@tailscale.com>
2024-09-25 16:33:36 -07:00
..