[17.09] Disable hostname lookup on chain exists check #2019
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Without `-n`, iptables will attempt to lookup hostnames for IP addresses, which can slow down the call dramatically. Since we don't need this, and generally don't even care about the output, use the `-n` flag to disable this. Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit 8dce207) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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LGTM |
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cherry-pick of #1974 for 17.09
Without
-n, iptables will attempt to lookup hostnames for IPaddresses, which can slow down the call dramatically.
Since we don't need this, and generally don't even care about the
output, use the
-nflag to disable this.(cherry picked from commit 8dce207)