summaryrefslogtreecommitdiff
path: root/sshd_config.5
diff options
context:
space:
mode:
authorSimon Wilkinson <simon@sxw.org.uk>2014-02-09 16:09:48 +0000
committerColin Watson <cjwatson@debian.org>2016-12-28 20:05:02 +0000
commit40ab38b3f501f3e21662f0294eef06789605c5f8 (patch)
tree739e0a31e245a718789908269c5af5807da13ef0 /sshd_config.5
parent971a7653746a6972b907dfe0ce139c06e4a6f482 (diff)
GSSAPI key exchange support
This patch has been rejected upstream: "None of the OpenSSH developers are in favour of adding this, and this situation has not changed for several years. This is not a slight on Simon's patch, which is of fine quality, but just that a) we don't trust GSSAPI implementations that much and b) we don't like adding new KEX since they are pre-auth attack surface. This one is particularly scary, since it requires hooks out to typically root-owned system resources." However, quite a lot of people rely on this in Debian, and it's better to have it merged into the main openssh package rather than having separate -krb5 packages (as we used to have). It seems to have a generally good security history. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1242 Last-Updated: 2016-12-28 Patch-Name: gssapi.patch
Diffstat (limited to 'sshd_config.5')
-rw-r--r--sshd_config.510
1 files changed, 10 insertions, 0 deletions
diff --git a/sshd_config.5 b/sshd_config.5
index 32b29d240..dd765b391 100644
--- a/sshd_config.5
+++ b/sshd_config.5
@@ -623,6 +623,11 @@ The default is
623Specifies whether user authentication based on GSSAPI is allowed. 623Specifies whether user authentication based on GSSAPI is allowed.
624The default is 624The default is
625.Cm no . 625.Cm no .
626.It Cm GSSAPIKeyExchange
627Specifies whether key exchange based on GSSAPI is allowed. GSSAPI key exchange
628doesn't rely on ssh keys to verify host identity.
629The default is
630.Cm no .
626.It Cm GSSAPICleanupCredentials 631.It Cm GSSAPICleanupCredentials
627Specifies whether to automatically destroy the user's credentials cache 632Specifies whether to automatically destroy the user's credentials cache
628on logout. 633on logout.
@@ -642,6 +647,11 @@ machine's default store.
642This facility is provided to assist with operation on multi homed machines. 647This facility is provided to assist with operation on multi homed machines.
643The default is 648The default is
644.Cm yes . 649.Cm yes .
650.It Cm GSSAPIStoreCredentialsOnRekey
651Controls whether the user's GSSAPI credentials should be updated following a
652successful connection rekeying. This option can be used to accepted renewed
653or updated credentials from a compatible client. The default is
654.Cm no .
645.It Cm HostbasedAcceptedKeyTypes 655.It Cm HostbasedAcceptedKeyTypes
646Specifies the key types that will be accepted for hostbased authentication 656Specifies the key types that will be accepted for hostbased authentication
647as a comma-separated pattern list. 657as a comma-separated pattern list.