Subj : sbbsecho and bad packets
To   : Digital Man
From : deon
Date : Sun Oct 05 2025 11:04 pm

Hey DM,

Since updating a few days ago, I've now got a bunch of bad packet in my inbound, and all have been marked bad "msg-hdr".

pktdump rev 1.18 - Dump FidoNet Packets

Opening df43a202.msg-hdr.bad
df43a202.msg-hdr.bad Packet Type 2e (prod: 10FF, rev: 1.9) from 3:633/280 to 3:633/509
df43a202.msg-hdr.bad 00003A Corrupted Message Header (DateTime)
df43a202.msg-hdr.bad 000658 Corrupted Message Header (DateTime)
df43a202.msg-hdr.bad 000B83 Corrupted Message Header (DateTime)
df43a202.msg-hdr.bad 001273 Corrupted Message Header (DateTime)
df43a202.msg-hdr.bad 001FAC Corrupted Message Header (DateTime)
root@alterant:/opt/sbbs/fido/inbound# pktdump df74da02.msg-hdr.bad
pktdump rev 1.18 - Dump FidoNet Packets

Opening df74da02.msg-hdr.bad
df74da02.msg-hdr.bad Packet Type 2e (prod: 10FF, rev: 1.9) from 3:633/280 to 3:633/509
df74da02.msg-hdr.bad 00003A Corrupted Message Header (DateTime)

When I look at a few, it looks like SBBSecho (and pktdump) thinks they are bad because of DateTime, but they look ok to me:

Here's one:

00000000  18 01 fd 01 e9 07 09 00  03 00 11 00 00 00 02 00  |................|
00000010  00 00 02 00 79 02 79 02  ff 01 00 00 00 00 00 00  |....y.y.........|
00000020  00 00 03 00 03 00 00 00  00 01 10 09 01 00 03 00  |................|
00000030  03 00 00 00 00 00 00 00  00 00 02 00 18 01 fd 01  |................|
00000040  79 02 79 02 00 00 00 00  30 33 20 4f 63 74 20 32  |y.y.....03 Oct 2|
00000050  35 20 20 30 37 3a 31 37  3a 34 37 20 41 6c 6c 00  |5  07:17:47 All.|
00000060  54 68 65 20 4e 61 74 75  72 61 6c 20 50 68 69 6c  |The Natural Phil|

Why is SBBSecho marking them bad?

I compiled on the 3rd - using git hash master/b7d3db6c3


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