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| ZyWALL 5/35/70 Series User’s Guide |
| Table 75 Predefined Services (continued) | |
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| SERVICE | DESCRIPTION |
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| IMAP(TCP/UDP:143) | Internet Message Access Protocol (IMAP) is used to access mail |
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| stored on a remote mail server over a TCP/IP connection using port |
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| 143. IMAP has shorter response times than POP3. |
| IMAPS(TCP/UDP:993) | IMAP over TLS/SSL (IMAPS) is a secure protocol (that encrypts |
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| IMAP traffic) for receiving mail using a TLS/SSL connection. |
| AX.25(AX.25:0) | AX.25 (Amateur X.25, an “Amateur” version of X.25) is the |
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| communications protocol used for packet radio. |
| IPv6(IPv6:0) | IPv6 (Internet Protocol version 6) is a protocol designed by the IETF |
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| to replace and solve many problems of the version 4 (IPv4). |
| IPSEC_ TRANSPORT / | The IPSEC AH (Authentication Header) tunneling protocol uses this |
| TUNNEL(AH:0) | service. |
| IPSEC_TUNNEL(ESP:0) | The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol |
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| uses this service. |
| IRC(TCP/UDP:6667) | This is another popular Internet chat program. |
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| MSN(TCP:1863) | Microsoft Networks’ messenger service uses this protocol. |
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| MULTICAST(IGMP:0) | Internet Group Multicast Protocol is used when sending packets to a |
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| specific group of hosts. |
| NetBIOS(TCP/UDP:137~139, | NetBIOS (Network Basic Input/Output System) are TCP or UDP |
| 445) | broadcast packets that enable a computer to connect to and |
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| communicate with a LAN. |
| NEWS(TCP:144) | A protocol for news groups. |
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| NFS(UDP:2049) | Network File System – NFS is a client/server distributed file service |
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| that provides transparent file sharing for network environments. |
| NNTP(TCP:119) | Network News Transport Protocol is the delivery mechanism for the |
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| USENET newsgroup service. |
| POP3(TCP:110) | Post Office Protocol version 3 lets a client computer get |
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| POP3 server through a temporary connection (TCP/IP or other). |
| POP3S(TCP/UDP:995) | POP3 over TLS/SSL allows users to download mail over a secure |
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| POP3 connection using TLS/SSL. |
| PPTP(TCP:1723) | |
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| over public networks. This is the control channel. |
| PPTP_TUNNEL(GRE:0) | |
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| over public networks. This is the data channel. |
| RCMD(TCP:512) | Remote Command Service. |
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| REAL_AUDIO(TCP:7070) | A streaming audio service that enables real time sound over the web. |
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| REXEC(TCP:514) | Remote Execution Daemon. |
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| RLOGIN(TCP:513) | Remote Login. |
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| ROADRUNNER(TCP/ | This is Time Warner’s cable modem session management protocol. It |
| UDP:1026) | handles authentication and dynamic addressing. |
| RTELNET(TCP:107) | Remote Telnet. |
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| RTSP(TCP/UDP:554) | The Real Time Streaming (media control) Protocol (RTSP) is a |
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| remote control for multimedia on the Internet. |
| SFTP(TCP:115) | Simple File Transfer Protocol. |
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Chapter 11 Firewall Screens | 230 |