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authorinitramfs <initramfs@initramfs.io>2022-09-26 11:01:02 +0800
committerinitramfs <initramfs@initramfs.io>2022-09-26 11:01:02 +0800
commit7709663c61f988cc60444fa932164f4931dfa7e3 (patch)
tree872363bf9534053a127d1aae13f5cf401531410b /interface-definitions/firewall-options.xml.in
parent435016fdb353b79577c40baa23af8e01fcadd098 (diff)
downloadvyos-1x-7709663c61f988cc60444fa932164f4931dfa7e3.tar.gz
vyos-1x-7709663c61f988cc60444fa932164f4931dfa7e3.zip
firewall: T4709: adjust TCP MSS clamping ranges and options
This commit fixes MSS clamping ranges as well as reintroduces the clamp-mss-to-pmtu option value to clamp to PMTU instead.
Diffstat (limited to 'interface-definitions/firewall-options.xml.in')
-rw-r--r--interface-definitions/firewall-options.xml.in24
1 files changed, 20 insertions, 4 deletions
diff --git a/interface-definitions/firewall-options.xml.in b/interface-definitions/firewall-options.xml.in
index 8d9225a9a..1bcee2011 100644
--- a/interface-definitions/firewall-options.xml.in
+++ b/interface-definitions/firewall-options.xml.in
@@ -20,24 +20,40 @@
<leafNode name="adjust-mss">
<properties>
<help>Adjust MSS for IPv4 transit packets</help>
+ <completionHelp>
+ <list>clamp-mss-to-pmtu</list>
+ </completionHelp>
<valueHelp>
- <format>500-1460</format>
+ <format>clamp-mss-to-pmtu</format>
+ <description>Automatically sets the MSS to the proper value</description>
+ </valueHelp>
+ <valueHelp>
+ <format>536-65535</format>
<description>TCP Maximum segment size in bytes</description>
</valueHelp>
<constraint>
- <validator name="numeric" argument="--range 500-1460"/>
+ <validator name="numeric" argument="--range 536-65535"/>
+ <regex>(clamp-mss-to-pmtu)</regex>
</constraint>
</properties>
</leafNode>
<leafNode name="adjust-mss6">
<properties>
<help>Adjust MSS for IPv6 transit packets</help>
+ <completionHelp>
+ <list>clamp-mss-to-pmtu</list>
+ </completionHelp>
+ <valueHelp>
+ <format>clamp-mss-to-pmtu</format>
+ <description>Automatically sets the MSS to the proper value</description>
+ </valueHelp>
<valueHelp>
- <format>1280-1492</format>
+ <format>1220-65535</format>
<description>TCP Maximum segment size in bytes</description>
</valueHelp>
<constraint>
- <validator name="numeric" argument="--range 1280-1492"/>
+ <validator name="numeric" argument="--range 1220-65535"/>
+ <regex>(clamp-mss-to-pmtu)</regex>
</constraint>
</properties>
</leafNode>