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2016 Nov 11
2
[Bug 1098] New: Stateless packet rewriting of source/destination IPs must update IP header as well
...OS: All
Status: NEW
Severity: normal
Priority: P5
Component: nft
Assignee: pablo at netfilter.org
Reporter: dalegaard at gmail.com
Hi!
Currently a stateless packet rewrite like the following:
ip daddr set ip daddr map @destmap
... wil not work in practice because the TCP or UDP checksum is not updated.
The IP header is updated correctly, but there does not currently appear to be a
means to update the TCP or UDP checksums as well. TCP and UDP checksums cover
(part of) the IP header as well, checksumming a "pseudo hea...