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| author | Viacheslav Hletenko <v.gletenko@vyos.io> | 2023-09-20 11:46:42 +0000 |
|---|---|---|
| committer | Viacheslav Hletenko <v.gletenko@vyos.io> | 2023-09-21 12:30:39 +0000 |
| commit | bdad4e046872e054ec7783b2f04b73a8a690a045 (patch) | |
| tree | 43a0c14ba06ed9ef6fa22b0150b686bd0f14621f /interface-definitions/system-conntrack.xml.in | |
| parent | b52cf1b7b3bc138b26eb21f917967748c40f9d3a (diff) | |
| download | vyos-1x-bdad4e046872e054ec7783b2f04b73a8a690a045.tar.gz vyos-1x-bdad4e046872e054ec7783b2f04b73a8a690a045.zip | |
T5217: Add firewall synproxy
Add ability to SYNPROXY connections
It is useful to protect against TCP SYN flood attacks and port-scanners
set firewall global-options syn-cookies 'enable'
set firewall ipv4 input filter rule 10 action 'synproxy'
set firewall ipv4 input filter rule 10 destination port '22'
set firewall ipv4 input filter rule 10 inbound-interface interface-name 'eth1'
set firewall ipv4 input filter rule 10 protocol 'tcp'
set firewall ipv4 input filter rule 10 synproxy tcp mss '1460'
set firewall ipv4 input filter rule 10 synproxy tcp window-scale '7'
Diffstat (limited to 'interface-definitions/system-conntrack.xml.in')
0 files changed, 0 insertions, 0 deletions