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IDProjectCategoryView StatusDate SubmittedLast Update
0021041ClearOSapp-firewall-custom - Custom Firewallpublic2018-08-09 05:042018-09-04 10:46
ReporterNickH 
Assigned Touser2 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version7.5.0 
Target Version7.5.0 UpdatesFixed in Version7.5.0 Updates 
Summary0021041: Custom rules do not allow the "!" character
DescriptionAdding a rule:
$IPTABLES -A DOCKER -t nat ! -i docker0 -d 172.22.22.2 -j DNAT --to-destination 172.18.0.2

gives "Firewall rule is invalid.".

Changing it to:
$IPTABLES -A DOCKER -t nat -i docker0 -d 172.22.22.2 -j DNAT --to-destination 172.18.0.2

is OK.

Please make "!" an allowed character

(note the rule won't actually work as custom fires before 10-docker so the relevant chain, nat/DOCKER, does not exist at that point and I've had to create another file 11-docker to allow the rule to run automatically)
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Issue History
Date ModifiedUsernameFieldChange
2018-08-09 05:04NickHNew Issue
2018-08-10 00:36user2Statusnew => confirmed
2018-08-10 00:37user2Target Version => 7.5.0 Updates
2018-09-04 10:46user2Statusconfirmed => resolved
2018-09-04 10:46user2Fixed in Version => 7.5.0 Updates
2018-09-04 10:46user2Resolutionopen => fixed
2018-09-04 10:46user2Assigned To => user2
2018-09-04 10:46user2Statusresolved => closed

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