User manual ZYXEL P-2602HW

[. . . ] Prestige 2602H Series ADSL VoIP IAD Prestige 2602HW Series 802. 11g Wireless ADSL VoIP IAD User's Guide Version 3. 40 5/2005 Prestige 2602H/HW Series User's Guide Copyright Copyright © 2005 by ZyXEL Communications Corporation. The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into any language, or transmitted in any form or by any means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or otherwise, without the prior written permission of ZyXEL Communications Corporation. All rights reserved. Disclaimer ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein. Neither does it convey any license under its patent rights nor the patent rights of others. [. . . ] Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a temporary connection (TCP/IP or other). Point-to-Point Tunneling Protocol enables secure transfer of data over public networks. Point-to-Point Tunneling Protocol enables secure transfer of data over public networks. The Real Time Streaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. Simple Mail Transfer Protocol is the message-exchange standard for the Internet. SMTP enables you to move messages from one e-mail server to another. Chapter 14 Firewall Configuration 197 Prestige 2602H/HW Series User's Guide Table 59 SERVICE SNMP(TCP/UDP:161) SNMP-TRAPS (TCP/ UDP:162) SQL-NET(TCP:1521) Predefined Services (continued) DESCRIPTION Simple Network Management Program. Structured Query Language is an interface to access data on many different types of database systems, including mainframes, midrange systems, UNIX systems and network servers. Simple Service Discovery Protocol (SSDP) is a discovery service searching for Universal Plug and Play devices on your home network or upstream Internet gateways using DUDP port 1900. Login Host Protocol used for (Terminal Access Controller Access Control System). Telnet is the login and terminal emulation protocol common on the Internet and in UNIX environments. Its primary function is to allow users to log into remote host systems. Trivial File Transfer Protocol is an Internet file transfer protocol similar to FTP, but uses the UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol). Microsoft's Remote Desktop Protocol allows you to access a computer through the Internet in order to work with its files programs and resources. Virtual Network Computing is a remote display system that allows you to view a computer's 'desktop' environment through the Internet. Network Time Protocol is used in synchronizing the time of computer clocks. SSDP(UDP:1900) SSH(TCP/UDP:22) STRMWORKS(UDP:1558) SYSLOG(UDP:514) TACACS(UDP:49) TELNET(TCP:23) TFTP(UDP:69) VDOLIVE(TCP:7000) Microsoft RDP(TCP:3389) VNC(TCP:5900) NTP(TCP/UDP:123) 14. 11 Anti-Probing If an outside user attempts to probe an unsupported port on your Prestige, an ICMP response packet is automatically returned. The Prestige supports anti-probing, which prevents the ICMP response packet from being sent. This keeps outsiders from discovering your Prestige when unsupported ports are probed. Internet Control Message Protocol (ICMP) is a message control and error-reporting protocol between a host server and a gateway to the Internet. ICMP uses Internet Protocol (IP) datagrams, but the messages are processed by the TCP/IP software and directly apparent to the application user. Click Firewall in the navigation panel and click Anti Probing to display the screen as shown. 198 Chapter 14 Firewall Configuration Prestige 2602H/HW Series User's Guide Figure 83 Firewall: Anti Probing The following table describes the labels in this screen. Table 60 Firewall: Anti Probing LABEL Respond to PING on DESCRIPTION The Prestige does not respond to any incoming Ping requests when Disable is selected. Otherwise select LAN & WAN to reply to both incoming LAN and WAN Ping requests. Select this option to prevent hackers from finding the Prestige by probing for unused ports. [. . . ] The "devID" is the last three characters of the MAC address of the router's LAN port. The "cat" is the same as the category in the router's logs. Table 205 SIP Logs LOG MESSAGE SIP Registration Success by SIP:SIP Phone Number SIP Registration Fail by SIP:SIP Phone Number SIP UnRegistration Success by SIP:SIP Phone Number SIP UnRegistration Fail by SIP:SIP Phone Number DESCRIPTION The listed SIP account was successfully registered with a SIP register server. An attempt to register the listed SIP account with a SIP register server was not successful. The listed SIP account's registration was deleted from the SIP register server. [. . . ]