I needed a way to create realistic TCP PCAP files from text files,
so I updated text2pcap with the following new command-line options:
IP dummy header fields:
--ip-addrs <src>,<dst> Set source and destination addresses.
--ip-id <id> Identification value for dummy IP header.
If <id> is 0, then use random non-zero
value in each
packet. If <id> has a trailing '+', then
start with
the given value an increment by one for
each packet.
Example: --ip-id 100+ to use 100,101,102 etc.
--ip-ttl <ttl> Set TTL value.
--ip-dscp <dscp> Set DSCP value.
TCP dummy header fields:
--tcp-seq <seq> Set initial sequence number. If <seq> is
0, then
use random initial value.
--tcp-ack <ack>[,<incr>[,<freq>]]
Set the initial ack number, increment and
increment
frequency. If <ack> is 0 then use a
random initial
value. If the optional <incr> is
non-zero, then
increment <ack> by the given amount on
<freq> packets.
Default value for <incr> is 1000, default
value
for <freq> is 1.
--tcp-win <win> Set value for window field.
I also plan to make changes to support open and close handshakes.
Is there any interest integrating these changes into code base?
--Alex
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