|
Proxy Server in Reverse Mode as a Stand-in for a Web Server
|
bet | 10/10 | Sana | 15.02.2024 | Hajmi | 259 Kb. | | #156844 |
Multiple Proxy Server in Reverse Mode to Balance the Load on a Web Server Chained Proxy Servers Providing Load Balancing and Fail-Over Capabilities Configuration - Automatic Client Configuration.
- Caching.
- Templates.
- Filtering.
- Server Plug-in Functions.
- Enables automatic proxy configuration in Navigator clients on intranet.
- Administered by a Proxy Automatic Configuration (PAC) file.
- PAC allows load balancing across multiple proxy servers and alteration of proxy architecture without modifying end user settings.
Caching - Caches should be approximately 1 GB per partition and spread across multiple disk controllers.
- Refer to Administrator’s Guide for in-depth instructions on creating batch update configurations.
Templates - An object created in Proxy Server’s object configuration file, obj.conf.
- Used to assign unique procedures to specific URLs.
- Can make the server behave differently depending on the URL the client tries to retrieve.
- Allows customization of how Proxy Server interacts with clients.
- Extends capabilities of proxy by using Netscape Server Plug-in Application Programming Interface, NSAPI.
- Set of functions and header files use to create functions in the server configuration files.
- AuthTrans, PathCheck, NameTrans,DNS, Connect, Addlog.
- Use to create functions that uses a custom database for access control or create custom log files with special entries.
Maintenance/Upgrade - Maintenance
- Upgrade
- Growth Issues
- Licenses
- Software Updates
Tuning Servers - Time-outs.
- Up-To-Date Checks.
- DNS Lookups:
- Enable DNS Caching.
- Log Only Client IP Addresses.
- Disable Reverse DNS.
- Avoid ACLs with Client Host Names.
- HTTP Keep-Alive.
Monitoring Servers - Analyzing Logs.
- Monitoring Performance:
- Cache Utilization.
- CPU Utilization.
- Memory Utilization.
Upgrade - Growth Issues
- Is proxy services strategic for business?
- Network bandwidth saturated?
- CPU utilization too high?
- Has a new field office been opened or a department added
- Has access content type been changed?
Upgrade (cont) - Licenses
- Proxy User Licenses Proxy Servers
- Purchased Deployed
- 1000 1
- 2000 2
- 3000 3
- 4000 4
Upgrade (cont) - Software Updates
- Refer to the Netscape Software Download Site.
- Netscape Proxy Server provides on-the-fly virus scanning of all incoming data, using the Trend Micro’s InterScan VirusWall Purchase of Proxy Server give you 90 days of free virus pattern updates.
|
| |