VMware, Inc. 31
Chapter 4 Zones Firewall Management
7Double‐clickeachcellinthenewrowtotypeorselecttheappropriateinformation.
YoucantypeIPaddressesintheSourceandDestinationfields
8 (Optional)SelecttheLogcheckboxtologallsessionsmatchingthisrule.
9ClickCommit.
Validating Active Sessions against the Current Zones Firewall Rules
Bydefault,avShieldZonesinstancematchesfirewallrulesagainsteachnewsession.Afterasessionhasbeen
established,anyfirewallrulechangesdonotaffectactivesessions.
TheCLIcommandvalidate sessionsenablesyoutovalidateactivesessionsagainstthecurrentZones
Firewallrulesettopurgeanysessionsthatare
inviolationofthecurrentruleset.Afterafirewallruleset
update,youshouldvalidateactivesessionstopurgeanyexistingsessionsthatareinviolationoftheupdated
policy.
AftertheZonesFirewallupdateiscomplete,issuethevalidate sessionscommandfromtheCLIofa
vShieldZonesinstanceto
purgesessionsthatareinviolationofcurrentpolicy.
To validate active sessions against the current firewall rules
1 UpdateandcommittheZonesFirewallrulesetattheappropriatecontainerlevel.
2OpenaconsolesessiononavShieldZonesinstanceissuethevalidate sessionscommand.
vShieldZones> enable
Password:
vShieldZones# validate sessions
Revert to a Previous Zones Firewall Configuration
ThevShieldManagersavesasnapshotofAppFirewallsettingseachtimeyoucommitanewrule.Clicking
CommitcausesthevShieldManagertosavethepreviousconfigurationwithatimestampbeforeaddingthe
newrule.ThesesnapshotsareavailablefromtheReverttoSnapshotdrop‐downmenu.
To revert to a previous App Firewall configuration
1InthevSphere
Client,gotoInventory>HostsandClusters.
2 Selectadatacenterorclusterresourcefromtheinventorypanel.
3ClickthevShieldZonestab.
4ClickZonesFirewall.
5FromtheReverttoSnapshotdrop‐downlist,selectasnapshot.
Snapshotsarepresentedintheorderoftimestamps,withthemostrecentsnapshotlistedatthetop.
6Viewsnapshotconfigurationdetails.
7Dooneofthefollowing:
Toreturntothecurrentconfiguration,selectthe‐optionfromtheReverttoSnapshotdrop‐downlist.
ClickCommittooverwritethecurrentconfigurationwiththesnapshotconfiguration.
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