Hi
I was encountered with strange situation.
Probably one of your can help/heard about something alike.
Problem description:
There is sun machine connected to pair of Cisco PIX 525
On sun there is software sent TCP SYN probe packets
with sequence number starts from 1 and increments for each packet.
packets sent 1 for 50 mili seconds
When packet cross router the sequence number is changed.
This change is consistent for one set of packets but is not
for subsequent set of packets
for example :
before cisco after cisco
1. TCP syn seq = 1 seq = 1 + x
2. TCP syn seq = 2 seq = 2 + x
3. TCP syn seq = 3 seq = 3 + x
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