Content Access Control - Services Use this screen to customize services for each user group. |
Label | Description |
Service to be Blocked |
|
Available services |
Select a service from the list and click the >> button to have the service blocked on a weekday (Monday to Friday) or to have the service blocked on a day in the weekend (Saturday or Sunday). These services will be blocked according to the settings you configure in the Time Scheduling screen. Click herefor more information on the services. |
Blocked Services |
This box shows all the services that you want to block during the specified time for the user group. Click the << button to remove a service from the box. |
Customized Services |
A Customized Service is a service that is not available in the pre-defined Available Services list and you must define using the next two fields. |
Type |
Services are either TCP and/or UDP. Select from either TCP or UDP. |
Port Number |
Enter a port number or a range of port numbers to define the service. For example, suppose you want to define the Gnutella service. Select TCP type and enter a port range from 6345-6349. |
Add |
Click Add to add a service to be blocked to the Blocked Services box. |
Clear All |
Click Clear All to empty the Blocked Services box. |
Back |
Click Back to return to the previous screen. |
Apply |
Click Apply to save your changes back to the Prestige. |
Cancel |
Click Cancel to return to the previously saved settings. |
Service |
Description |
AIM/New-ICQ(TCP:5190) |
AOL’s Internet Messenger service, used as a listening port by ICQ. |
AUTH(TCP:113) |
Authentication protocol used by some servers. |
BGP(TCP:179) |
Border Gateway Protocol. |
BOOTP_CLIENT(UDP:68) |
DHCP Client. |
BOOTP_SERVER(UDP:67) |
DHCP Server. |
CU-SEEME(TCP/UDP:7648, 24032) |
A popular videoconferencing solution from White Pines Software. |
DNS(UDP/TCP:53) |
Domain Name Server, a service that matches web names (e.g. www.zyxel.com) to IP numbers. |
FINGER(TCP:79) |
Finger is a UNIX or Internet related command that can be used to find out if a user is logged on. |
FTP(TCP:20.21) |
File Transfer Program, a program to enable fast transfer of files, including large files that may not be possible by e-mail. |
H.323(TCP:1720) |
NetMeeting uses this protocol. |
HTTP(TCP:80) |
Hyper Text Transfer Protocol - a client/server protocol for the world wide web. |
HTTPS(TCP:443) |
HTTPS is a secured http session often used in e-commerce. |
ICQ(UDP:4000) |
This is a popular Internet chat program. |
IKE(UDP:500) |
The Internet Key Exchange algorithm is used for key distribution and management. |
IPSEC_TUNNEL(AH:0) |
The IPSEC AH (Authentication Header) tunneling protocol uses this service. |
IPSEC_TUNNEL(ESP:0) |
The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses this service. |
IRC(TCP/UDP:6667) |
This is another popular Internet chat program. |
MSN Messenger(TCP:1863) |
Microsoft Networks’ messenger service uses this protocol. |
MULTICAST(IGMP:0) |
Internet Group Multicast Protocol is used when sending packets to a specific group of hosts. |
NEW-ICQ(TCP:5190) |
An Internet chat program. |
NEWS(TCP:144) |
A protocol for news groups. |
NFS(UDP:2049) |
Network File System - NFS is a client/server distributed file service that provides transparent file sharing for network environments. |
NNTP(TCP:119) |
Network News Transport Protocol is the delivery mechanism for the USENET newsgroup service. |
PING(ICMP:0) |
Packet INternet Groper is a protocol that sends out ICMP echo requests to test whether or not a remote host is reachable. |
POP3(TCP:110) |
Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a temporary connection (TCP/IP or other). |
PPTP(TCP:1723) |
Point-to-Point Tunneling Protocol enables secure transfer of data over public networks. This is the control channel. |
PPTP_TUNNEL(GRE:0) |
Point-to-Point Tunneling Protocol enables secure transfer of data over public networks. This is the data channel. |
RCMD(TCP:512) |
Remote Command Service. |
REAL_AUDIO(TCP:7070) |
A streaming audio service that enables real time sound over the web. |
REXEC(TCP:514) |
Remote Execution Daemon. |
RLOGIN(TCP:513) |
Remote Login. |
RTELNET(TCP:107) |
Remote Telnet. |
RTSP(TCP/UDP:554) |
The Real Time Streaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. |
SFTP(TCP:115) |
Simple File Transfer Protocol. |
SMTP(TCP:25) |
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. |
SNMP(TCP/UDP:161) |
Simple Network Management Program. |
SNMP-TRAPS(TCP/UDP:162) |
Traps for use with the SNMP (RFC:1215). |
SQL-NET(TCP:1521) |
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. |
SSH(TCP/UDP:22) |
Secure Shell Remote Login Program. |
STRM WORKS(UDP:1558) |
Stream Works Protocol. |
SYSLOG(UDP:514) |
Syslog allows you to send system logs to a UNIX server. |
TACACS(UDP:49) |
Login Host Protocol used for (Terminal Access Controller Access Control System). |
TELNET(TCP:23) |
Telnet is the login and terminal emulation protocol common on the Internet and in UNIX environments. It operates over TCP/IP networks. Its primary function is to allow users to log into remote host systems. |
TFTP(UDP:69) |
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). |
VDOLIVE(TCP:7000) |
Another videoconferencing solution. |