https://bugzilla.mindrot.org/show_bug.cgi?id=2444
Bug ID: 2444
Summary: ExitOnForwardFailure=yes has no effect
Product: Portable OpenSSH
Version: 6.9p1
Hardware: amd64
OS: Linux
Status: NEW
Severity: major
Priority: P5
Component: ssh
Assignee: [email protected]
Reporter: [email protected]
The option ExitOnForwardFailure is not working, even if the forward
fails.
A port forward to another (non used) port on the local machine should
cause ssh to exit with error on a connection attempt to the bound port:
Console 1:
> ssh -N -o ExitOnForwardFailure=yes -L 9999:localhost:9998 localhost
Console 2:
> telnet localhost 9999
ssh should exist with a return code != 0 but instead "channel 3: open
failed: connect failed: Connection refused" is printed and the ssh
process keeps running.
I used two computers to exclude a problem with my version:
Gentoo with "OpenSSH_6.9p1-hpn14v5, OpenSSL 1.0.1p 9 Jul 2015"
Debian with "OpenSSH_6.7p1 Debian-5, OpenSSL 1.0.1k 8 Jan 2015"
All combinations of both computers with local and remote forwards show
that ExitOnForwardFailure=yes is ignored entirely.
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