Just like IdentityAgent; tested with `-o ForwardAgent='~/test.sock'`. OK?
Index: ssh_config.5 =================================================================== RCS file: /cvs/src/usr.bin/ssh/ssh_config.5,v retrieving revision 1.373 diff -u -p -r1.373 ssh_config.5 --- ssh_config.5 24 Jun 2022 04:27:14 -0000 1.373 +++ ssh_config.5 24 Jul 2022 18:45:48 -0000 @@ -748,6 +748,15 @@ an explicit path to an agent socket or t .Sq $ ) in which to find the path. .Pp +Arguments to +.Cm ForwardAgent +may use the tilde syntax to refer to a user's home directory, +the tokens described in the +.Sx TOKENS +section and environment variables as described in the +.Sx ENVIRONMENT VARIABLES +section. +.Pp Agent forwarding should be enabled with caution. Users with the ability to bypass file permissions on the remote host (for the agent's Unix-domain socket)