Fixes for setting ttl

This commit is contained in:
Zach Brown
2024-04-13 13:09:54 +00:00
parent 817970bb71
commit 723b69f662
4 changed files with 14 additions and 11 deletions

View File

@@ -22,28 +22,28 @@ setTTL=$(printf '%b\n' "${ttlvalue//%/\\x}")
if [ -n "${setTTL}" ]; then
# Stop Service To Remove Rules
/usrdata/simplefirewall/ttl-override stop
/opt/bin/sudo /usrdata/simplefirewall/ttl-override stop
# Check iptables is still set
ttlcheck=$(iptables -t mangle -vnL | grep TTL | awk '{print $13}')
ttlcheck=$(/opt/bin/sudo /usr/sbin/iptables -w 5 -t mangle -vnL | grep TTL | awk '{print $13}')
# If TTL is still set manually remove values
if [ !-z "${ttlcheck}" ]; then
iptables -t mangle -D POSTROUTING -o rmnet+ -j TTL --ttl-set ${ttlcheck} &>/dev/null || true
ip6tables -t mangle -D POSTROUTING -o rmnet+ -j HL --hl-set ${ttlcheck} &>/dev/null || true
/opt/bin/sudo /usr/sbin/iptables -w 5 -t mangle -D POSTROUTING -o rmnet+ -j TTL --ttl-set ${ttlcheck} &>/dev/null || true
/opt/bin/sudo /usr/sbin/ip6tables -w 5 -t mangle -D POSTROUTING -o rmnet+ -j HL --hl-set ${ttlcheck} &>/dev/null || true
fi
# Echo TTL to file
echo $setTTL > /usrdata/simplefirewall/ttlvalue
# Set Start Service
/usrdata/simplefirewall/ttl-override start
/opt/bin/sudo /usrdata/simplefirewall/ttl-override start
fi
# Check iptables for ttlvalue
ttlvalue=$(iptables -t mangle -vnL | grep TTL | awk '{print $13}')
ttlvalue=$(/opt/bin/sudo /usr/sbin/iptables -w 5 -t mangle -vnL | grep TTL | awk '{print $13}')
ttlenabled=true;
# Set Variables
@@ -58,4 +58,5 @@ cat <<EOT
{
"isEnabled": $ttlenabled,
"ttl": $ttlvalue
}
}
EOT