IETF-SSH archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: WG chair nits on draft-ietf-secsh-dns-02.txt
we suggest the following changes.
jakob
@@ -304,7 +304,14 @@
<t>
As stated in <xref target="policy"></xref>, we recommend that SSH
implementors provide a policy mechanism to control the order of
- methods used for host key verification.
+ methods used for host key verification. One specific scenario for
+ having a configurable policy is where clients use unqualified host
+ names to connect to servers. In this case, we recommend that SSH
+ implementations check the host key against a local database before
+ verifying the key via the fingerprint returned from DNS. This
+ would help prevent an attacker from injecting a DNS search path
+ into the local resolver and forcing the client to connect to a
+ different host.
</t>
<t>
Home |
Main Index |
Thread Index |
Old Index