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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
[not found] <bug-4428-131@http.sourceware.org/bugzilla/>
@ 2014-02-16 19:44 ` jackie.rosen at hushmail dot com
2014-05-28 19:43 ` schwab at sourceware dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 7+ messages in thread
From: jackie.rosen at hushmail dot com @ 2014-02-16 19:44 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=4428
Jackie Rosen <jackie.rosen at hushmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jackie.rosen at hushmail dot com
--- Comment #3 from Jackie Rosen <jackie.rosen at hushmail dot com> ---
*** Bug 260998 has been marked as a duplicate of this bug. ***
Seen from the domain http://volichat.com
Page where seen: http://volichat.com/adult-chat-rooms
Marked for reference. Resolved as fixed @bugzilla.
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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
[not found] <bug-4428-131@http.sourceware.org/bugzilla/>
2014-02-16 19:44 ` [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's jackie.rosen at hushmail dot com
@ 2014-05-28 19:43 ` schwab at sourceware dot org
2014-07-04 22:13 ` fweimer at redhat dot com
2015-10-02 17:34 ` fche at redhat dot com
3 siblings, 0 replies; 7+ messages in thread
From: schwab at sourceware dot org @ 2014-05-28 19:43 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=4428
Andreas Schwab <schwab at sourceware dot org> changed:
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CC|jackie.rosen at hushmail dot com |
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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
[not found] <bug-4428-131@http.sourceware.org/bugzilla/>
2014-02-16 19:44 ` [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's jackie.rosen at hushmail dot com
2014-05-28 19:43 ` schwab at sourceware dot org
@ 2014-07-04 22:13 ` fweimer at redhat dot com
2015-10-02 17:34 ` fche at redhat dot com
3 siblings, 0 replies; 7+ messages in thread
From: fweimer at redhat dot com @ 2014-07-04 22:13 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=4428
Florian Weimer <fweimer at redhat dot com> changed:
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CC| |fweimer at redhat dot com
Flags| |security-
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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
[not found] <bug-4428-131@http.sourceware.org/bugzilla/>
` (2 preceding siblings ...)
2014-07-04 22:13 ` fweimer at redhat dot com
@ 2015-10-02 17:34 ` fche at redhat dot com
3 siblings, 0 replies; 7+ messages in thread
From: fche at redhat dot com @ 2015-10-02 17:34 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=4428
Frank Ch. Eigler <fche at redhat dot com> changed:
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CC| |fche at redhat dot com
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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
2007-04-25 19:11 [Bug nscd/4428] New: " madcoder at debian dot org
2007-04-28 3:26 ` [Bug nscd/4428] " drepper at redhat dot com
2007-04-28 9:08 ` madcoder at debian dot org
@ 2008-02-28 13:19 ` ibaldo at adinet dot com dot uy
2 siblings, 0 replies; 7+ messages in thread
From: ibaldo at adinet dot com dot uy @ 2008-02-28 13:19 UTC (permalink / raw)
To: glibc-bugs
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CC| |ibaldo at adinet dot com dot
| |uy
http://sourceware.org/bugzilla/show_bug.cgi?id=4428
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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
2007-04-25 19:11 [Bug nscd/4428] New: " madcoder at debian dot org
2007-04-28 3:26 ` [Bug nscd/4428] " drepper at redhat dot com
@ 2007-04-28 9:08 ` madcoder at debian dot org
2008-02-28 13:19 ` ibaldo at adinet dot com dot uy
2 siblings, 0 replies; 7+ messages in thread
From: madcoder at debian dot org @ 2007-04-28 9:08 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From madcoder at debian dot org 2007-04-28 10:08 -------
Given the number of pre-2001 software still around (time at which gethostby*
calls were marked obsoletes) that indeed use gethostby* (and the number of
more recent software using it too, even being obsolete) you are just knowingly
breaking them.
Quite interesting indeed. Btw I tested this _BUG_ doing:
$ getent hosts ttl3.madism.org
which after 3 seconds does not make a new request as it should (running nscd
in debug mode shows it quite unambiguously).
Interestingly enough, getent (from the libc you know) does that:
$ ltrace getent hosts ttl3.madism.org > /dev/null
__libc_start_main(0x402e40, 3, 0x7fffeead3c08, 0x403c40, 0x403c30
<unfinished ...>
mtrace() = <void>
setlocale(6, "")
= "LC_CTYPE=fr_FR.utf8;LC_NUMERIC=f"...
textdomain("libc") = "libc"
argp_parse(0x5053e0, 3, 0x7fffeead3c08, 0, 0x7fffeead3af4) = 0
strcmp("hosts", "hosts") = 0
inet_pton(10, 0x7fffeead547b, 0x7fffeead3aa0, 0x5070c0, 0x5070d0) = 0
inet_pton(2, 0x7fffeead547b, 0x7fffeead3aa0, 0, 0x7fffeead3a40) = 0
gethostbyname2(0x7fffeead547b, 10, 0x7fffeead3aa0, 116, 0) = 0
gethostbyname2(0x7fffeead547b, 2, 1, 0, 0x2ae1c05b8790) = 0x2ae1bc33cfe0
inet_ntop(2, 0x5070f8, 0x7fffeead3a40, 46, 0) = 0x7fffeead3a40
printf("%-15s %s", "127.0.0.1", "ttl3.madism.org") = 31
+++ exited (status 0) +++
So now I'm not surprised anymore I guess. You are breaking your own software.
IMHO, given how broken gethostby* are with the use of nscd, either hosts
caching should be removed, or gethostby* generate a warning at link time so
that people get to know that those are not supported at *all*.
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* [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's
2007-04-25 19:11 [Bug nscd/4428] New: " madcoder at debian dot org
@ 2007-04-28 3:26 ` drepper at redhat dot com
2007-04-28 9:08 ` madcoder at debian dot org
2008-02-28 13:19 ` ibaldo at adinet dot com dot uy
2 siblings, 0 replies; 7+ messages in thread
From: drepper at redhat dot com @ 2007-04-28 3:26 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2007-04-28 04:26 -------
nscd does respect TTL. Only for getaddrinfo but this is OK since no program
should have use gethostbyaddr*.
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What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
http://sourceware.org/bugzilla/show_bug.cgi?id=4428
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end of thread, other threads:[~2015-10-02 17:34 UTC | newest]
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[not found] <bug-4428-131@http.sourceware.org/bugzilla/>
2014-02-16 19:44 ` [Bug nscd/4428] hosts caching does not respect TTL, and caches old IP's jackie.rosen at hushmail dot com
2014-05-28 19:43 ` schwab at sourceware dot org
2014-07-04 22:13 ` fweimer at redhat dot com
2015-10-02 17:34 ` fche at redhat dot com
2007-04-25 19:11 [Bug nscd/4428] New: " madcoder at debian dot org
2007-04-28 3:26 ` [Bug nscd/4428] " drepper at redhat dot com
2007-04-28 9:08 ` madcoder at debian dot org
2008-02-28 13:19 ` ibaldo at adinet dot com dot uy
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