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...size. I imagine that'd cause some complaints about > startup time. > > With those caveats, you are also welcome to add the appropriate > ssh-keygen commands to your startup scripts. > > -- > Darren Tucker (dtucker at dtucker.net) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement.

...onfig keywords and emit the formats or algorithms accepted by that keyword, eg. $ ssh -V OpenSSH_8.2p1, OpenSSL 1.1.1g FIPS 21 Apr 2020 $ ssh -Q PubkeyAcceptedKeyTypes [...] ssh-rsa rsa-sha2-256 rsa-sha2-512 [...] -- Darren Tucker (dtucker at dtucker.net) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...oup size selection code > is based, puts a 4k group at a little over 128 bits of security. This > is why we generate larger groups (and request them, when using 192 and > 256 bit ciphers). > > -- > Darren Tucker (dtucker at dtucker.net) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement.

...+# ifdef WITH_SSH1 { NULL, "RSA1", KEY_RSA1, 0, 0 }, +# endif { "ssh-rsa", "RSA", KEY_RSA, 0, 0 }, { "ssh-dss", "DSA", KEY_DSA, 0, 0 }, # ifdef OPENSSL_HAS_ECC -- Darren Tucker (dtucker at zip.com.au) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...ains where the XOPEN came from. As to why you're seeing it, my guess is your version of gcc defaults to -std=c99 and mine doesn't. You can try adding "-std=c89" to your CFLAGS and see if it builds. -- Darren Tucker (dtucker at zip.com.au) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...h set, but I also don't have password auth > enabled. IMO random delays are overrated for mitigating timing attacks; you can look for inconsistent behaviour as the indicator of whatever you're looking for. -- Darren Tucker (dtucker at zip.com.au) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...ring the client syslog facility to use. I made the change in > > openssh-6.6p1. If there is interest I can port the change to the openssh > > portable github. > > Sounds reasonable. > > -- > Darren Tucker (dtucker at zip.com.au) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement. >

...'$')) != NULL) { + typelen = p - passwd + 1; + strlcpy(salt, passwd, MIN(typelen, sizeof(salt))); + explicit_bzero(passwd, strlen(passwd)); + goto out; + } + } + out: + endpwent(); return salt; } -- Darren Tucker (dtucker at zip.com.au) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...ble to make the process untraceable"); #endif +#ifdef PT_DENY_ATTACH + /* Mac OS X */ + if (ptrace(PT_DENY_ATTACH, 0, 0, 0) == -1 && strict) + fatal("unable to set PT_DENY_ATTACH"); +#endif } -- Darren Tucker (dtucker at zip.com.au) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...neral, the OpenBSD style guide. From the README: > > Code contribution are welcomed, but please follow the OpenBSD > style guidelines[6]. > [...] > [6] http://man.openbsd.org/style.9 > > -- > Darren Tucker (dtucker at zip.com.au) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement. >

...neral, the OpenBSD style guide. From the README: > > Code contribution are welcomed, but please follow the OpenBSD > style guidelines[6]. > [...] > [6] http://man.openbsd.org/style.9 > > -- > Darren Tucker (dtucker at zip.com.au) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement. > > > _______________________________________________ > openssh-unix-dev mailing listopenssh-unix-dev at mindrot.orghttps://lists.mindrot.o...

...> above which the password is immediately refused. There's other > possible embellishments (eg, add a possibly variable delay) but we > haven't decided on any yet. > > Thanks. > > -- > Darren Tucker (dtucker at zip.com.au) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement. > _______________________________________________ > openssh-unix-dev mailing list > openssh-unix-dev at mindrot.org > https://lists.mindrot...

Hello. I've got a question about encoding in sshd's log files. When I try to log in with a "?" username, which is a cyrillic "h" (U+0445), I get this message in a logfile: input_userauth_request: invalid user \\321\\205 [preauth]. I am struggling to understand: is that hex, is that octal? It doesn't map to any encoding that I know of.

...nce there is no guarantee the bin/openssl in a non-default location is functional (eg if its libraries are not in the system default runtime linker path and it's built without -rpath, which it's usually not). -- Darren Tucker (dtucker at dtucker.net) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

On SPARC Solaris 10, using Solaris' native OpenSSL and Solaris Studio 12.2, I got the following errors: run test agent-getpeereid.sh ... ssh-add did not fail for nobody: 1 < 2 failed disallow agent attach from other uid gmake[1]: *** [t-exec] Error 1 gmake[1]: Leaving directory `/scratch/wieland/src/openssh/openssh-SNAP-20180817/regress' gmake: *** [tests] Error 2 -- Jeff Wieland,

...xlc so it can't build the sk-dummy library. We don't actually use it if you're not building with security key support, I'll see if I can make it skip building it too. Thanks for the thorough testing! -- Darren Tucker (dtucker at dtucker.net) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

...k at any point. Perhaps the problem is the problem is occurs due to an interaction with other flags b) try using LD=gcc and see if it behaves any different (also, see if the list of options it detects is different). -- Darren Tucker (dtucker at dtucker.net) GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) Good judgement comes with experience. Unfortunately, the experience usually comes from bad judgement.

Hi All, Actually I am working with the OpenSSH version 6.2p which is vulnerable to above mentioned vulnerabilities (CVE-2016-6210). So am looking for some help how I can fix these vulnerabilities in my version. I need to fix it in the OpenSSH code. Regards Abhishek

Hello, I recently made a change to the openssh ssh client code to allow configuring the client syslog facility to use. I made the change in openssh-6.6p1. If there is interest I can port the change to the openssh portable github. Cheers, Ethan

...t for your platform so that getpwnam(3) knows about those > users (including things like uid/gid, home directory and shell). I'm > not sure TACACS can provide the required details, though. > > -- > Darren Tucker (dtucker at zip.com.au) > GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA (new) > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement. >