User guide

Firewall
98
Note:
RulesareaddedusingtheIPTablescommandtothekernel.These
rulestakeeffectimmediatelybutpersistpermanentlyonlyafter
clickingtheSavebutton.
Ifthereisamistakeintherulesandasaresult,theunitbecomes
inaccessible,whiletheSaveactionallowsyoutorecoverfromthe
mistake.Reb
ootthesyste
m.IfyoudonotSavetherules,youlose
theminthereboot.
