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undo Disabling TCP SACK, DSACK, FACK

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https://forums.whonix.org/t/disabling-tcp-sack-dsack-fack/8109/5
This commit is contained in:
Patrick Schleizer 2019-10-05 07:00:47 -04:00
parent c19942f72b
commit 5fb4eb8e56
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3 changed files with 3 additions and 7 deletions
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2
debian/control vendored
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@ -43,8 +43,6 @@ Description: enhances misc security settings
* The TCP/IP stack is hardened.
.
* This package makes some data spoofing attacks harder.
.
* SACK is disabled as it is commonly exploited and is rarely used.
.
* This package disables the merging of slabs of similar sizes to prevent an
attacker from exploiting them.

3
debian/security-misc.maintscript vendored
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@ -8,3 +8,6 @@ rm_conffile /etc/default/grub.d/40_only_allow_signed_modules.cfg
## https://forums.whonix.org/t/sysrq-magic-sysrq-key/8079
rm_conffile /etc/sysctl.d/sysrq.conf
## https://forums.whonix.org/t/disabling-tcp-sack-dsack-fack/8109/5
rm_conffile /etc/sysctl.d/tcp_sack.conf

5
etc/sysctl.d/tcp_sack.conf
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@ -1,5 +0,0 @@
# Disables SACK as it is commonly exploited and likely not needed.
# https://forums.whonix.org/t/disabling-tcp-sack-dsack-fack/8109
net.ipv4.tcp_sack=0
net.ipv4.tcp_dsack=0
net.ipv4.tcp_fack=0