User`s guide
Table Of Contents
- Ascend Customer Service
- How to use this guide
- What you should know
- Documentation conventions
- How to use the on-board software
- Manual set
- Configuring WAN Connections
- Configuring IP Routing
- Introduction to IP routing on the Pipeline
- Managing the routing table
- Parameters that affect the routing table
- Static and dynamic routes
- Configuring static routes
- Specifying default routes on a per-user basis
- Enabling the Pipeline to use dynamic routing
- Route preferences
- Viewing the routing table
- Fields in the routing table
- Removing down routes to a host
- Identifying Temporary routes in the routing table
- Configuring IP routing connections
- Ascend Tunnel Management Protocol (ATMP)
- IP Address Management
- Connecting to a local IP network
- BOOTP Relay
- DHCP services
- Dial-in user DNS server assignments
- Local DNS host address table
- Network Address Translation (NAT) for a LAN
- Configuring IPX Routing
- How the Pipeline performs IPX routing
- Adding the Pipeline to the local IPX network
- Working with the RIP and SAP tables
- Configuring IPX routing connections
- Configuring the Pipeline as a Bridge
- Defining Filters and Firewalls
- Setting Up Pipeline Security
- Pipeline System Administration
- Pipeline 75 Voice Features
- IDSL Implementations
- APP Server utility
- About the APP Server utility
- APP Server installation and setup
- Configuring the Pipeline to use the APP server
- Using App Server with Axent SecureNet
- Creating banner text for the password prompt
- Installing and using the UNIX APP Server
- Installing and using the APP Server utility for DO...
- Installing and using the APP Server utility for Wi...
- Installing APP Server on a Macintosh
- Troubleshooting
- Upgrading system software
- What you need to upgrade system software
- Displaying the software load name
- The upgrade procedure
- Untitled
Defining Filters and Firewalls
Display unwanted dial-out packets
6-32 Preliminary January 30, 1998 Pipeline User’s Guide
The packet contents provide the following information:
Example 4
In this example, the phone number dialed on receipt of this packet is
917007337921. Note that there is no MAC header. This is an IPX packet: a Get
Nearest Server Request with service type File Server (0004).
The packet contents provide the following information:
Date: 01/01/1990. Time: 00:01:13
Cause an attempt to place call to 92233002
WD_DIALOUT_DISP: chunk 260126 type OLD-STYLE-PADDED.
: 98 octets @ 291EC8
[0000]: 08 00 20 1f 5b ce 00 80 c7 5b e9 5b 08 00 45 00
[0010]: 00 54 0e 09 00 00 ff 01 66 10 cc b2 d7 13 cc b2
[0020]: d7 16 08 00 f5 1b bb 07 98 00 37 5e 46 32 3a 48
[0030]: 0d 00 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15
[0040]: 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25
[0050]: 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35
[0060]: 36 37
destination MAC address 08:00:20:1f:5b:ce
source MAC address 00:80:c7:5b:e9:5b
source IP address cc:b2:d7:13 /* 204.178.215.19 */
destination IP address cc:b2:d7:ff /* 204.178.215.22 */
Date: 01/01/1990. Time: 00:01:43
Cause an attempt to place call to 917007337921
WD_DIALOUT_DISP: chunk 261022 type IPX.
: 34 octets @ 2C6AA0
[0000]: ff ff 00 22 00 11 00 00 00 00 ff ff ff ff ff ff
[0010]: 04 52 00 00 00 00 00 a0 24 be d5 84 40 09 00 03
[0020]: 00 04