SecurityStudy. Cisco PIX Private Internet eXchange was a popular IP firewall and network address translation NAT appliance. It was one of the first products in this market segment. We Provide Configuration Examples, Training and Networking Tutorials about TCPIP Networks with focus on Cisco technologies. Cisco PIX Firewall Release Notes, Version 6. Table Of Contents. Cisco PIX Firewall Release Notes Version 6. Contents. Introduction. System Requirements. Memory Requirements. Software Requirements. Maximum Recommended Configuration File Size. Cisco VPN Software Interoperability. Cisco VPN Client Interoperability. Cisco Easy VPN Remote Interoperability. Cisco Easy VPN Server Interoperability. Determining the Software Version Upgrading to a New Software Release. New and Changed Information. Important Notes in Release 6. Simultaneous PPTP Connection Limitation. ACL Source Address Change When an Alias is Configured. Interface Settings on the PIX 5. PIX 5. 06. EUpgrading the PIX 5. PIX 5. 15. Easy VPN Remote and Easy VPN Server. PIX 5. 35 Interfaces. Caveats. Open Caveats Release 6. Resolved Caveats Release 6. Related Documentation. Software Configuration Tips on the Cisco TAC Home Page. Obtaining Documentation and Submitting a Service Request. Full Stock List Avaya Nortel Cisco Alcatel BT Ascom Ericsson HandsetLine Cords Intertel LG Mitel NEC Panasonic Polycom Samsung Siemens Legacy Systems SDX Aastra. Cisco PIX Firewall Release Notes Version 6. February 2. 00. 8. This document includes the following sections. System Requirements. New and Changed Information. Important Notes in Release 6. Related Documentation. Obtaining Documentation and Submitting a Service Request. The PIX Firewall delivers unprecedented levels of security, performance, and reliability, including robust, enterprise class security services such as the following. Stateful inspection security, based on state of the art Adaptive Security Algorithm ASA. Over 1. 00 predefined applications, services, and protocols for flexible access control. Virtual Private Networking VPN for secure remote network access using IKEIPSec standards. Intrusion protection from over 5. URL filtering of outbound web traffic through third party server support. Network Address Translation NAT and Port Address Translation Support PAT. Additionally, PIX Firewall Version 6. Cisco PIX Device Manager PDM Version 3. System Requirements. The sections that follow list the system requirements for operating a PIX Firewall with Version 6. Memory Requirements. The PIX 5. 01 has 1. MB of RAM and will operate correctly with Version 6. PIX Firewall platforms continue to require at least 3. MB of RAM and therefore are also compatible with version 6. In addition, all units except the PIX 5. PIX 5. 06. E require 1. MB of Flash memory to boot. The PIX 5. 01 and PIX 5. E have 8 MB of Flash memory, which works correctly with Version 6. Table 1 lists Flash memory requirements for this release. Table 1 Flash Memory Requirements. PIX Firewall Model. Flash Memory Required in Version 6. MB Some PIX 5. 20 units may need a memory upgrade because older units had 2 MB, though newer units have 1. MB. Software Requirements. Version 6. 3 requires the following. The PIX Firewall image no longer fits on a diskette. If you are using a PIX Firewall unit with a diskette drive, you need to download the Boothelper file from Cisco Connection Online CCO to let you download the PIX Firewall image with TFTP. If you are upgrading from Version 4 or earlier and want to use the Auto Update, IPSec, SSH, PDM, or VPN features or commands, you must have a new 5. DES activation key. Before getting a new activation key, write down your old key in case you want to retrograde to Version 4. You can have a new 5. DES activation key sent to you by completing the form at the following website. SoftwareForm. Managerformgenerator. If you are upgrading from a previous PIX Firewall version, save your configuration and write down your activation key and serial number. Refer to Upgrading to a New Software Release for new installation requirements. Maximum Recommended Configuration File Size. For the PIX 5. 25 and PIX 5. MB for PIX Firewall software Versions 5. For other PIX Firewall platforms, the maximum configuration file size limit is 1 MB. Earlier versions of the PIX 5. KB configuration file size. If you are using PIX Device Manager PDM, we recommend no more than a 1. KB configuration file because larger configuration files can interfere with the performance of PDM on your workstation. While configuration files up to 2 MB are now supported on the PIX 5. PIX 5. 35, be aware that such large configuration files can reduce system performance. For example, a large configuration file is likely to noticeably slow execution times in the following situations. While executing commands such as write term and show conf. Failover the configuration synchronization time. During a system reload. The optimal configuration file size for use with PDM is less than 1. KB which is approximately 1. Please take these considerations into account when planning and implementing your configuration. Cisco VPN Software Interoperability. Cisco VPN Series. Interoperability Comments. Cisco IOS Routers. PIX Firewall Version 6. Cisco IOS Release 1. T or higher running on the router when using IKE Mode Configuration on the PIX Firewall. Cisco VPN 3. 00. 0 Concentrators. PIX Firewall Version 6. Cisco VPN 3. 00. 0 Concentrator Version 2. VPN interoperability. Cisco VPN Client Interoperability. Cisco VPN Client. Interoperability Comments. Cisco Secure VPN Client v. PIX Firewall Version 6. Cisco Secure VPN Client Version 1. Cisco Secure VPN Client Version 1. Cisco VPN Client v. Unified VPN Client Framework. PIX Firewall Version 6. Cisco VPN Client Version 3. Microsoft Windows platforms. It also supports the Cisco VPN Client Version 3. Linux, Solaris, and Macintosh platforms. Cisco Easy VPN Remote Interoperability. Cisco Easy VPN Remote. Interoperability Comments. PIX Firewall Easy VPN Remote v. PIX Firewall software Version 6. Cisco Easy VPN Server requires PIX Firewall software Version 6. Easy VPN Remote. VPN 3. Easy VPN Remote v. PIX Firewall software Version 6. Cisco Easy VPN Server requires the VPN 3. Version 3. 6 Easy VPN Remote that runs on the VPN 3. Cisco IOS Easy VPN Remote Release 1. T. PIX Firewall software Version 6. Cisco Easy VPN Server interoperates with Cisco IOS 8. Easy VPN Remote Release 1. T. Cisco Easy VPN Server Interoperability. Cisco Easy VPN Server. Interoperability Comments. PIX Firewall Easy VPN Server v. PIX Firewall software Version 6. Cisco Easy VPN Remote requires a PIX Firewall Version 6. Easy VPN Server. VPN 3. Easy VPN Server v. PIX Firewall software Version 6. Cisco Easy VPN Remote requires VPN 3. Version 3. 6. 7 Easy VPN Server. Cisco IOS Easy VPN Server Release 1. T. PIX Firewall software version 6. Cisco Easy VPN Remote works with Cisco IOS Release 1. T Easy VPN Server in IKE pre shared authentication and does not work with certificate. It is expected to interoperate using certificate, after CSCea. CSCea. 00. 95. 2 resolved and integrated in later versions of Cisco IOS Easy VPN Server. Determining the Software Version. Use the show version command to verify the software version of your PIX Firewall unit. Upgrading to a New Software Release. If you have a Cisco Connection Online CCO login, you can obtain software from the following website. New and Changed Information. Version 6. 35 is a maintenance release which includes several caveat resolutions. Important Notes in Release 6. This section describes important notes for Version 6. Simultaneous PPTP Connection Limitation. There is a hardware limitation of 1. PIX 6. x. If you subtract one for the PPTP listening socket, the maximum number of simultaneous PPTP connections is. Attempts to connect more than 1. PIX 6. x generates the following error message. PIX 3 2. 13. 00. PPTP control daemon socket io accept error, errno 5. ACL Source Address Change When an Alias is Configured. When the alias command is used for destination address translation, an inbound message originating from the foreignip source address is translated to the dnatip address. If you configure an inbound ACL with an address defined by the alias command, you must use the foreignip address as the ACL source address instead of the dnatip address, as was used in Release 6. The ACL check is now done before the translation occurs, which is consistent with the way the firewall treats other NATed addresses in ACLs. Interface Settings on the PIX 5. PIX 5. 06. E. With the PIX Firewall Version 6. PIX 5. 01 outside interface port 0 1. Mbps half or full duplex. PIX 5. 01 inside interface 1. Mbps half or full duplex. PIX 5. 06. E inside interface 1. Mbps half or full duplex. PIX 5. 06. E outside interface 1. Mbps half or full duplex. Note When upgrading the PIX 5. Version 6. 3, the inside interface is automatically upgraded to 1. Mbps full duplex. During the upgrade process the system displays the message ethernet. Upgrading the PIX 5.
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