Watchguard Firebox X1000 Reference Manual

Also see for Firebox X10E: Install guide User guide Quick start guide Quick start guide User guide

Contents

Watchguard Firebox X1000 Reference Manual Manual pdf 67 page image

Packet Filter ServicesReference Guide 55- One UDP icon for port 138. Set client port to “port” to enable theNetBIOS datagram service to transfer information betweenhosts.- One TCP icon for port 139. Set client port to “client.” This sets upa NetBIOS TCP channel for passing information between hosts.SNMPSimple Network Management Protocol (SNMP) can be used to collectinformation about and configure remote computers. This has proven to bedangerous. A great many Internet attacks have used SNMP.Characteristics• Protocols: UDP, TCP• Server Port(s): 161 (trap servers use 162)• Client Port(s): greater than 1023Because SNMP could cause quite unpredictable changes in a network ifenabled, carefully consider alternatives and log everything.SNMP-TrapSimple Network Management Protocol (SNMP) traps are notificationmessages that an SNMP agent (for example, a router) sends to a networkmanagement station. These messages generally report an important eventthat should be logged or otherwise investigated.Characteristics• Protocols: UDP• Server Port(s): 162• Client Port(s): greater than 1023SQL*NetOracle uses one port for its sql*net software. By default, this port is either1526/tcp or port 1521/tcp, but it is user-configurable by editing thetnsnames.ora file. To allow sql*net through the Firebox, set up a serviceicon for the port that your sql*net server is using, with a protocol of tcp,