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wg-quick: linux: query kernel param before trying to set it #5

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wg-quick: linux: query kernel param before trying to set it #5

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2 changes: 1 addition & 1 deletion src/wg-quick/linux.bash
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Original file line number Diff line number Diff line change
Expand Up @@ -237,7 +237,7 @@ add_default() {
printf -v restore '%sCOMMIT\n*mangle\n-I POSTROUTING -m mark --mark %d -p udp -j CONNMARK --save-mark %s\n-I PREROUTING -p udp -j CONNMARK --restore-mark %s\nCOMMIT\n' "$restore" $table "$marker" "$marker"
printf -v nftcmd '%sadd rule %s %s postmangle meta l4proto udp mark %d ct mark set mark \n' "$nftcmd" "$pf" "$nftable" $table
printf -v nftcmd '%sadd rule %s %s premangle meta l4proto udp meta mark set ct mark \n' "$nftcmd" "$pf" "$nftable"
[[ $proto == -4 ]] && cmd sysctl -q net.ipv4.conf.all.src_valid_mark=1
[[ $proto == -4 ]] && [[ $(sysctl -n net.ipv4.conf.all.src_valid_mark) -ne 1 ]] && cmd sysctl -q net.ipv4.conf.all.src_valid_mark=1
if type -p nft >/dev/null; then
cmd nft -f <(echo -n "$nftcmd")
else
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