I don't think that's the issue. For example I don't see any world traffic on 9000 OR 9001, but rather a different port 900x port.
Looking at a wireshark capture, there are a series of packets sent by the login server that show what world server and port should be used depending on the server you want to connect to.
As an example:
Code:
0040 00 00 00 00 17 00 00 00 65 71 77 6f 72 6c 64 2d ........eqworld-
0050 30 33 2e 65 76 65 72 71 75 65 73 74 2e 63 6f 6d 03.everquest.com
0060 00 2f 23 00 00 00 00 00 00 21 01 00 00 66 00 00 ./#......!...f..
0070 00 42 65 72 74 6f 78 78 75 6c 6f 75 73 20 2d 20 .Bertoxxulous -
0080 53 61 72 79 72 6e 00 45 4e 00 55 53 00 00 00 00 Saryrn.EN.US....
0090 00 01 00 00 00 65 71 77 6f 72 6c 64 2d 30 32 2e .....eqworld-02.
00a0 65 76 65 72 71 75 65 73 74 2e 63 6f 6d 00 2a 23 everquest.com.*#
00b0 00 00 00 00 00 00 21 01 00 00 68 00 00 00 42 72 ......!...h...Br
00c0 69 73 74 6c 65 62 61 6e 65 20 2d 20 54 68 65 20 istlebane - The
00d0 54 72 69 62 75 6e 61 6c 00 45 4e 00 55 53 00 00 Tribunal.EN.US..
00e0 00 00 00 02 00 00 00 65 71 77 6f 72 6c 64 2d 30 .......eqworld-0
00f0 32 2e 65 76 65 72 71 75 65 73 74 2e 63 6f 6d 00 2.everquest.com.
0100 28 23 00 00 00 00 00 00 21 01 00 00 69 00 00 00 (#......!...i...
0110 43 61 7a 69 63 2d 54 68 75 6c 65 20 2d 20 46 65 Cazic-Thule - Fe
0120 6e 6e 69 6e 20 52 6f 00 45 4e 00 55 53 00 00 00 nnin Ro.EN.US...
0130 00 00 03 00 00 00 65 71 77 6f 72 6c 64 2d 30 32 ......eqworld-02
0140 2e 65 76 65 72 71 75 65 73 74 2e 63 6f 6d 00 2d .everquest.com.-
0150 23 00 00 00 00 00 00 21 01 00 00 6a 00 00 00 44 #......!...j...D
0160 72 69 6e 61 6c 20 2d 20 4d 61 65 6c 69 6e 20 53 rinal - Maelin S
0170 74 61 72 70 79 72 65 00 45 4e 00 55 53 00 00 00 tarpyre.EN.US...
0180 00 00 04 00 00 00 65 71 77 6f 72 6c 64 2d 30 31 ......eqworld-01
0190 2e 65 76 65 72 71 75 65 73 74 2e 63 6f 6d 00 28 .everquest.com.(
01a0 23 00 00 00 00 00 00 21 01 00 00 6d 00 00 00 45 #......!...m...E
01b0 72 6f 6c 6c 69 73 69 20 4d 61 72 72 20 2d 20 54 rollisi Marr - T
01c0 68 65 20 4e 61 6d 65 6c 65 73 73 00 45 4e 00 55 he Nameless.EN.U
01d0 53 00 00 00 00 00 05 00 00 00 65 71 77 6f 72 6c S.........eqworl
01e0 64 2d 30 31 2e 65 76 65 72 71 75 65 73 74 2e 63 d-01.everquest.c
01f0 6f 6d 00 2c 23 00 00 00 00 00 00 21 01 00 00 6f om.,#......!...o
0200 00 00 00 46 69 72 69 6f 6e 61 20 56 69 65 20 28 ...Firiona Vie (
0210 52 6f 6c 65 70 6c 61 79 69 6e 67 20 50 72 65 66 Roleplaying Pref
So it looks like Bertox uses eqworld03 on 9007, Bristlebane uses eqworld02 on 9002, Cazic uses eqworld02 on 9000, etc.
I'm guessing either you were testing on a different server than previously, or perhaps they swapped the ports around on the back-end during the patch.
But in any event, it would appear that SEQ hasn't been picking up the world server traffic in the majority of cases if it's only listening on 9000.
Honestly, I don't know what world-level stuff SEQ uses (other than just logging), so I don't know if we should expand the filters (or detect the port and change it on the fly) to handle all of the various world server ports, or if it's fine as is.