From 0fffc62fc649234517efb3d4ec704ad873716478 Mon Sep 17 00:00:00 2001 From: Simon Tatham Date: Thu, 20 Jul 2023 19:58:49 +0100 Subject: [PATCH] errors.but: add a note about firewalls. An irate user complained today that they wished we'd documented firewalls as a possible cause of WSAECONNREFUSED, because it took them ages to think of checking that. Fair enough. --- doc/errors.but | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/doc/errors.but b/doc/errors.but index a35a7256..ca1a53e0 100644 --- a/doc/errors.but +++ b/doc/errors.but @@ -374,6 +374,10 @@ Check that you are connecting with the correct protocol (SSH, Telnet, etc), and check that the port number is correct. If that fails, consult the administrator of your server. +This error can also be caused by a firewall in between you and the +server, which rejects the connection and sends back the same type of +error packet as the real server would have sent. + \H{errors-conntimedout} \q{Network error: Connection timed out} This error means that the network connection PuTTY tried to make to