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Back to IPTables.

Diff IPTables

Line 2:
 attach:20100309110057767-0-IPTables.png  attach:20100309110057767-0-IPTables.png
 Note that the IPSec end encode/decode processes change packets. For instance, an incoming packet from an IPSec VPN appears in the prerouting chain with source and destination addresses of the IPSec end-points, but by the time it gets to the forward or input chains the source and destination addresses have been changed. This can cause false positives in the filter tables.  Note that the IPSec end encode/decode processes change packets. For instance, an incoming packet from an IPSec VPN appears in the prerouting chain with source and destination addresses of the IPSec end-points, but by the time it gets to the forward or input chains the source and destination addresses have been changed. This can cause false positives in the filter tables.
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