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Fixes for setting ttl

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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
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2
simpleadmin/lighttpd.conf
View File

@@ -6,7 +6,7 @@ server.modules = (
"mod_authn_file",
)
server.username = "nobody"
server.username = "www-data"
server.groupname = "dialout"
server.port = 80

5
simpleadmin/www/cgi-bin/get_ttl_status
View File

@@ -1,7 +1,7 @@
#!/bin/bash
# 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}' | head -n1)
ttlenabled=true;
# Set Variables
@@ -16,4 +16,5 @@ cat <<EOT
{
"isEnabled": $ttlenabled,
"ttl": $ttlvalue
}
}
EOT

15
simpleadmin/www/cgi-bin/set_ttl
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