Dell SonicWALL GX250 Manual

Page 54 LOGGING AND ALERTINGLog CategoriesYou may define which log messages appear in the SonicWALL Event Log. All LogCategories are enabled by default except Network Debug.• System MaintenanceWhen enabled, log messages showing general system activity, such asadministrator logins, automatic downloads of the Content Filter Lists, andsystem activations, is displayed.• System ErrorsWhen enabled, log messages showing problems with DNS, E-mail, and automaticdownloads of the Content Filter List are displayed.• Blocked Web SitesWhen enabled, log messages showing Web sites or newsgroups blocked by theContent Filter List or by customized filtering are displayed.• Blocked Java, ActiveX, and CookiesWhen enabled, log messages showing Java, ActiveX, and Cookies, which areblocked by the SonicWALL, are displayed.• User ActivityWhen enabled, log messages showing successful and unsuccessful login attemptsare displayed.• VPN TCP Stats• AttacksWhen enabled, log messages showing Denial of Service attacks, such as SYNFlood, Ping of Death, and IP spoofing, are displayed.• Dropped TCPWhen enabled, log messages showing blocked incoming TCP connections aredisplayed.• Dropped UDPWhen enabled, log messages showing blocked incoming UDP packets aredisplayed.• Dropped ICMPWhen enabled, log messages showing blocked incoming ICMP packets aredisplayed.• Network DebugWhen enabled, log messages showing NetBIOS broadcasts, ARP resolutionproblems, and NAT resolution problems are displayed. Network Debug isintended for experienced network administrators.• Denied LAN IP