From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050512 Red Hat/1.7.8-1.1.3.1 Description of problem: sshd logs all connection attempts as IPv6 addresses, even if they were really IPv4. Ie: May 29 18:58:06 homer sshd[5357]: Failed password for root from ::ffff:209.152.166.153 port 49674 ssh2 May 29 18:58:07 homer sshd[5359]: Invalid user admin from ::ffff:209.152.166.153 This clutters up the logs (and hence logwatch mails) and is generally unsightly. A workaround is to add ListenAddress 0.0.0.0 to /etc/ssh/sshd_conf, but that disables listening to ipv6 alltogether, which isn't really what I want. Upstream has a patch to fix this. From the 4.1p1 changelog: 20050503 - (dtucker) [canohost.c] normalise socket addresses returned by get_remote_hostname(). This means that IPv4 addresses in log messages on IPv6 enabled machines will no longer be prefixed by "::ffff:" and AllowUsers, DenyUsers, AllowGroups, DenyGroups will match IPv4-style addresses only for 4-in-6 mapped connections, regardless of whether or not the machine is IPv6 enabled. ok djm@ Please backport this. /August. Version-Release number of selected component (if applicable): openssh-3.9p1-8.RHEL4.4 How reproducible: Always Steps to Reproduce: 1. install openssh 2. ssh to it (via ipv4) 3. check out the logs. Actual Results: encapsulated ipv4 addresses. Expected Results: proper dotted-quad ipv4 addressses. Additional info:
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*** Bug 172181 has been marked as a duplicate of this bug. ***
We have the academic site license, which doesn't include that kind of support. (Yes, we have a bunch of systems with additional support, but this "bug" doesn't apply to them, they're still at rhel 2.1 or 3) I thought this kind of thing was what the "enhancement" severity was for. /August.