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Jesred is a very fast and highly configurable redirector for the Squid Internet Object Cache. It was derived from Chris Foote's and Wayne Piekarski's Squirm 1.0 betaB and some code from Squid itself, but is about 2-3x faster than the original version and has some additional features.

mod_auth_mysql provides an MySQL-based authentication for apache2. It's also designed to support multiple virtualhosts using only one database.

mod_dosevasive是Apache的一个规避策略模块，它为Apache在遭受一个HTTP DoS或DDoS攻击或者强制 攻击事件时提供规避行动。 它也是一个检测和管理网络的工具，可以方便地配置以便与ipchains、网络防火墙、路由器等进行交互。 mod_dosevasive目前可以通过电子邮件和syslog等设施来报告滥用行为。 检测是通过创建一个IP地址和URI的内部动态哈希表，并拒绝任何单一的IP地址的以下行为： * 每秒多次请求同一个页面 * 在同一个Apache Child上，每秒发起超过50个并发请求 * 在临时黑名单上（在阻止列表上）的IP，发起任意请求 这个方法对于单一服务器脚本攻击和分布式攻击同样行之有效，但是和其它规避工具一样，仅仅对保护带宽和 处理器消耗起作用（如，带宽总量和接收／处理／响应无效请求所需的处理器），因此，把它和你的网络防火 墙与路由器集成起来以达到最大保护，是个好主意。 这个模块为每个监听器单独地初始化一个实例，因此它有内建的清理机制和缩放功能。由于这种针对每个 Apache Child的设计，合法的请求从来不受影响（甚至是从代理和NAT地址），而仅仅针对脚本攻击。即使用户 重复地点击“刷新”也应该不受影响，除非他们不怀好意。mod_dosevasive完全通过Apache配置文件来配置， 很容易集成到你的web服务器上。

mod_geoip2 is an Apache2 module that looks up the country code for the IP address making the request without using reverse DNS.

This is a very small (7 Kb) HTTP server. It runs from inetd, which means its performance is poor. But for low-traffic sites, it's quite adequate. It implements all the basic features of an HTTP server.

The crawl utility starts a depth-first traversal of the web at the specified URLs. It stores all JPEG images that match the configured constraints. Crawl is fairly fast and allows for graceful termination. After terminating crawl, it is possible to restart it at exactly the same spot where it was terminated. Crawl keeps a persistent database that allows multiple crawls without revisiting sites. The main reason for writing crawl was the lack of simple open source web crawlers. Crawl is only a few thousand lines of code and fairly easy to debug and customize. Some of the main features: - Saves encountered JPEG images - Image selection based on regular expressions and size contrainsts - Resume previous crawl after graceful termination - Persistent database of visited URLs - Very small and efficient code - Supports robots.txt

This add-on module allows the apache web server to use a PostgreSQL database for user and/or group authentication. For large user lists this can offer a significate speed up over apache's standard flat file format.

mod_extract_forwarded hooks itself into Apache's header parsing phase and looks for the X-Forwarded-For header which some (most?) proxies add to the proxied HTTP requests. It extracts the IP from the X-Forwarded-For and modifies the connection data so to the rest of Apache the request looks like it came from that IP rather than the proxy IP. mod_extract_forwarded can be dangerous for host based access control because X-Forwarded-For is easily spoofed. Because of this you can configure which proxies you trust or don't trust.

mod_fileiri implements http IRIs for directories/files, i.e. if accepts URIs with non-ASCII characters encoded in UTF-8 and converts them to the legacy encoding used in the file system (which can be specified per directory, or even finer if necessary (although that's a real hack)). What is more, it continues to accept requests in the legacy encoding specified, and redirects them to the correct UTF-8 form, which then returns the actual document (without looping). There is also a backwards mode, which does redirects from URIs in a specified legacy encoding to UTF-8 if the directory/ filenames are in UTF-8.

mod_hosts_access allows you to use the hosts.allow and hosts.deny files to configure access to your Apache webserver. This is the stable version 1.0.0. Nothing has changed apart from the homepage and some documentation glitches.