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authorFlorian Westphal <fw@strlen.de>2021-11-28 18:25:53 +0100
committerFlorian Westphal <fw@strlen.de>2021-11-28 18:26:17 +0100
commit273d88a7744ea5638969ad3252acf518e5ec6cc2 (patch)
tree170071db82e03b590e9d92c8531681cd41f4a0d0 /extensions/libxt_tcpmss.txlate
parent7213561d9d7a17c4db29c867b2607241941dae5a (diff)
extensions: tcpmss: add iptables-translate support
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'extensions/libxt_tcpmss.txlate')
-rw-r--r--extensions/libxt_tcpmss.txlate11
1 files changed, 11 insertions, 0 deletions
diff --git a/extensions/libxt_tcpmss.txlate b/extensions/libxt_tcpmss.txlate
new file mode 100644
index 00000000..d3f1b27d
--- /dev/null
+++ b/extensions/libxt_tcpmss.txlate
@@ -0,0 +1,11 @@
+iptables-translate -A INPUT -m tcpmss --mss 42
+nft add rule ip filter INPUT tcp option maxseg size 42 counter
+
+iptables-translate -A INPUT -m tcpmss ! --mss 42
+nft add rule ip filter INPUT tcp option maxseg size != 42 counter
+
+iptables-translate -A INPUT -m tcpmss --mss 42:1024
+nft add rule ip filter INPUT tcp option maxseg size 42-1024 counter
+
+iptables-translate -A INPUT -m tcpmss ! --mss 1461:65535
+nft add rule ip filter INPUT tcp option maxseg size != 1461-65535 counter