Siemens Gigaset SE587 WLAN dsl Specifications download pdf (Page 26)

Advanced configuration

Gigaset SE587 WLAN dsl / eng / A31008-N1083-L171-1-7619 / configure_router.fm / 12.12.2007

Schablone 2005_05_02

IP Filters

In the IP filter list you can add the PCs for which access should be restricted.

ì Select the add box to activate the fields in a row to create a new entry.

ì In the Host IP Address field, enter the IP address of the respective PC. How to find

out the IP addresses of the individual PCs is described in chapter "Local network con-

figuration" on page 36.

ì From the Direction option menu, select the kind of communication to which the

restriction should apply:

ì Select the del box to delete an entry from the list.

Port Filters

In the port filter list you can define ports or port ranges to restrict the access of specific

Internet services. Each Internet service uses a specific port for communication. The fol-

lowing table shows some important port numbers of Internet services:

ì Select the Modify box to activate the fields in a row. You can change the values if

required.

ì Select the Protocol used by the service(s) and enter the Start Port and the End Port

of the port range to be restricted. To specify one specific service with one port

number enter the same port number in the Start Port and the End Port field.

ì From the Inbound Deny and Outbound Deny option menus choose if the rule

should apply to incoming and/or outgoing traffic.

inbound Internet access is restricted to outgoing data traffic.

outbound Internet access is restricted to incoming data traffic.

both Both incoming and outgoing data traffic with the Internet are

restricted.

Internet service Protocol Port number

FTP TCP 21

ssh / pcAnywhere TCP 22

Telnet TCP 23

SMTP TCP 25

TFTP TCP 53

HTTP TCP 80

POP3 TCP 110

NNTP TCP 119

HTTPS TCP 443

T.120 TCP 1503

H.323/Q931 TCP 1720

DNS UDP 53

NTP UDP 123

RealServer / QuickTime UDP 7070

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Siemens Gigaset SE587 WLAN dsl Specifications Page 26