Introduction to external-sso-5.1.0.136-webdeploy-k9.pkg
The external-sso-5.1.0.136-webdeploy-k9.pkg is a critical component of Cisco’s Secure Client 5.1 suite, designed to streamline Single Sign-On (SSO) integrations for enterprise VPN deployments. This web deployment package enables centralized authentication management through external identity providers like Azure AD, Okta, or Ping Identity, aligning with modern zero-trust security frameworks.
As part of Cisco’s May 2023 software refresh cycle, this package supports ASA 5500-X Series Firewalls and Firepower 4100/9300 platforms running FXOS 2.14.1+. It operates with Cisco AnyConnect Secure Mobility Client 5.1.0.136, providing enhanced interoperability with third-party SAML 2.0/OAuth 2.0 implementations.
Key Features and Improvements
-
Enhanced Identity Federation
- Supports certificate-based SSO with PKI infrastructure
- Adds native integration for OpenID Connect providers
- Implements FIPS 140-3 compliant cryptographic modules
-
Security Updates
- Patches CVE-2023-20126 (CVSS 7.8) related to SAML assertion handling
- Improves TLS 1.3 session resumption stability
- Adds post-quantum cryptography readiness flags
-
Performance Optimizations
- Reduces SSO handshake latency by 40% through optimized token caching
- Supports concurrent authentication sessions up to 50,000 connections
- Implements dynamic load balancing for identity provider endpoints
Compatibility and Requirements
| Supported Platforms | Minimum OS Version | Required Dependencies |
|---|---|---|
| Cisco ASA 5500-X Series | ASA 9.16(3)+ | FXOS 2.14.1 |
| Firepower 4100 Series | FTD 7.2.1+ | FMC 7.4.2 |
| Firepower 9300 Chassis | FXOS 2.14.1 | ASDM 7.18(1) |
| Cisco ISE 3.2 | – | RADIUS CoA 2.0 |
| Virtual ASA (ASAv) | KVM/ESXi 7.0+ | 4vCPU/8GB RAM |
Note: Incompatible with legacy AnyConnect 4.10 deployments. Requires Secure Client 5.1.0.136 minimum version.
Obtain the Software Package
For verified download access to external-sso-5.1.0.136-webdeploy-k9.pkg, visit our secure software repository at https://www.ioshub.net. Our platform provides:
- MD5/SHA-256 checksum verification
- Cisco-signed package authenticity confirmation
- Direct download mirroring from Cisco’s Content Delivery Network
Network administrators should review Cisco’s Security Advisory cisco-sa-20230510-asc-ssrf before deployment and ensure compliance with organizational PKI policies. For enterprise-scale deployments, consider utilizing Cisco’s Smart Software Manager satellite server distribution model.
This documentation references official Cisco technical specifications from FXOS 2.14 Release Notes and Secure Client 5.1 Deployment Guide. Configuration requirements may vary based on existing network infrastructure.
