lwIP - A Lightweight TCP/IP stack - Bugs: bug #21107, LwIP doesn't reset the TTL in ICMP...
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bug #21107: LwIP doesn't reset the TTL in ICMP Echo Replies
Submitter: | Tom Evans <tom_evans> | ||
Submitted: | Tue 18 Sep 2007 04:46:51 AM UTC | ||
Category: | IPv4 | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Fixed |
Privacy: | Public | Assigned to: | goldsimon |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | None |
Jump to the original submission
Wed 19 Sep 2007 08:36:58 AM UTC, comment #12: |
Simon Goldschmidt <goldsimon> |
Wed 19 Sep 2007 07:09:27 AM UTC, comment #11: It build and fix the problem. I attach a capture, with my ICMP_TTL=4, and it's what I got in the capture... |
Frédéric Bernon <fbernon> |
Wed 19 Sep 2007 06:13:46 AM UTC, comment #10: Fixed by including
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Simon Goldschmidt <goldsimon> |
Wed 19 Sep 2007 06:01:21 AM UTC, comment #9:
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Simon Goldschmidt <goldsimon> |
Tue 18 Sep 2007 11:48:15 PM UTC, comment #8: Clarity over "Premature optimisation" every time.
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Tom Evans <tom_evans> |
Tue 18 Sep 2007 10:02:42 AM UTC, comment #7:
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Frédéric Bernon <fbernon> |
Tue 18 Sep 2007 09:33:32 AM UTC, comment #6:
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Simon Goldschmidt <goldsimon> |
Tue 18 Sep 2007 09:09:26 AM UTC, comment #5:
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Frédéric Bernon <fbernon> |
Tue 18 Sep 2007 08:56:56 AM UTC, comment #4:
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Simon Goldschmidt <goldsimon> |
Tue 18 Sep 2007 08:49:48 AM UTC, comment #3:
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Frédéric Bernon <fbernon> |
Tue 18 Sep 2007 08:45:04 AM UTC, comment #2:
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Tom Evans <tom_evans> |
Tue 18 Sep 2007 06:11:48 AM UTC, comment #1: This bug doesn't seem to exist because 'RFC792 has been slavishly followed', but because of incorrect use of ip_output_if(). ICMP_TTL is passed to this function, but because IP_HDRINCL is also passed, the TTL is not changed in the existing IP header.
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Simon Goldschmidt <goldsimon> |
Tue 18 Sep 2007 04:46:51 AM UTC, original submission:
LwIP doesn't reset the TTL in ICMP Echo Replies.
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Tom Evans <tom_evans> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 6 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2007-09-19 | fbernon | Attached File | - | Added icmp.pcap, #13990 | |
2007-09-19 | goldsimon | Category | None | IPv4 | |
Item Group | None | Faulty Behaviour | |||
Status | None | Fixed | |||
Assigned to | None | goldsimon | |||
Open/Closed | Open | Closed |
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Corresponding source code
Thanks for testing.