[3877] in linux-announce channel archive
Linux-Announce Digest #169
daemon@ATHENA.MIT.EDU (Digestifier)
Sat Aug 3 01:13:09 2002
From: Digestifier <Linux-Announce-Request@senator-bedfellow.mit.edu>
To: Linux-Announce@senator-bedfellow.mit.edu
Reply-To: Linux-Announce@senator-bedfellow.mit.edu
Date: Sat, 3 Aug 2002 01:13:02 EDT
Linux-Announce Digest #169, Volume #4 Sat, 3 Aug 2002 01:13:02 EDT
Contents:
WWWOFFLE - Web proxy with features for dial-up users ("Andrew M. Bishop")
----------------------------------------------------------------------------
Date: Thu, 1 Aug 2002 23:57:14 CST
Subject: WWWOFFLE - Web proxy with features for dial-up users
From: "Andrew M. Bishop" <amb@gedanken.demon.co.uk>
WWWOFFLE - World Wide Web Offline Explorer - Version 2.7d
=========================================================
The WWWOFFLE programs simplify World Wide Web browsing from computers that use
intermittent (dial-up) connections to the internet.
Description
===========
The WWWOFFLE server is a proxy web server with special features for use with
dial-up internet links. This means that it is possible to browse web pages and
read them without having to remain connected.
Basic Features
- Caching of HTTP, FTP and finger protocols.
- Allows the 'GET', 'HEAD', 'POST' and 'PUT' HTTP methods.
- Interactive or command line control of online/offline/autodial status.
- Highly configurable.
- Low maintenance, start/stop and online/offline status can be automated.
While Online
- Caching of pages that are viewed for later review.
- Conditional fetching to only get pages that have changed.
- Based on expiration date, time since last fetched or once per session.
- Non cached support for SSL (Secure Socket Layer e.g. https).
- Can be used with one or more external proxies based on web page.
- Control which pages cannot be accessed.
- Allow replacement of blocked pages.
- Control which pages are not to be stored in the cache.
- Requests compressed pages from web servers (compile time option).
While Offline
- Can be configured to use dial-on-demand for pages that are not cached.
- Selection of pages to download next time online
- Using normal browser to follow links.
- Command line interface to select pages for downloading.
- Control which pages can be requested when offline.
- Provides non-cached access to intranet servers.
Automated Download
- Downloading of specified pages non-interactively.
- Options to automatically fetch objects in requested pages
- Understands various types of pages
- HTML 4.0, Java classes, VRML (partial), XML (partial).
- Options to fetch different classes of objects
- Images, Stylesheets, Frames, Scripts, Java or other objects.
- Option to not fetch webbug images (images of 1 pixel square).
- Automatically follows links for pages that have been moved.
- Can monitor pages at regular intervals to fetch those that have changed.
- Recursive fetching
- To specified depth.
- On any host or limited to same server or same directory.
- Chosen from command line or from browser.
- Control over which links can be fetched recursively.
Convenience
- Optional information footer on HTML pages showing date cached and options.
- Options to modify HTML pages
- Remove scripts.
- Remove Java applets.
- Remove stylesheets.
- Remove shockwave flash animations.
- Indicate cached and uncached links.
- Remove the blink tag.
- Remove refresh tags.
- Remove links to pages that are in the DontGet list.
- Remove inline frames (iframes) that are in the DontGet list.
- Replace images that are in the DontGet list.
- Replace webbug images (images of 1 pixel square).
- Demoronise HTML character sets.
- Stop animated GIFs.
- Automatic proxy configuration for Netscape.
- Searchable cache with the addition of the ht://Dig, mnoGoSearch
(UdmSearch) or Namazu programs.
- Built in simple web-server for local pages.
- Allows CGI scripts
- Timeouts to stop proxy lockups
- DNS name lookups.
- Remote server connection.
- Data transfer.
- Continue or stop downloads interrupted by client.
- Based on file size of fraction downloaded.
- Purging of pages from cache
- Based on URL matching.
- To keep the cache size below a specified limit.
- To keep the free disk space above a specified limit.
- Interactive or command line control.
- Compression of cached pages based on age.
- Provides compressed pages to web browser (compile time option).
Indexes
- Multiple indexes of pages stored in cache
- Servers for each protocol (http, ftp ...).
- Pages on each server.
- Pages waiting to be fetched.
- Pages requested last time offline.
- Pages fetched last time online.
- Pages monitored on a regular basis.
- Configurable indexes
- Sorted by name, date, server domain name, type of file.
- Options to delete, refresh or monitor pages.
- Selection of complete list of pages or hide un-interesting pages.
Security
- Works with pages that require basic username/password authentication.
- Automates proxy authentication for external proxies that require it.
- Control over access to the proxy
- Defaults to local host access only.
- Host access configured by hostname or IP address.
- Optional proxy authentication for user level access control.
- Optional password control for proxy management functions.
- Can censor incoming and outgoing HTTP headers to maintain user privacy.
Configuration
- All options controlled using a configuration file.
- Interactive web page to allow editing of the configuration file.
- User customisable error and information pages.
Changes
=======
Since version 2.7c:
Bug Fixes:
Discard POST/PUT requests that have negative content-lengths. Make the
CanonicaliseHost() function robust to bad IP addresses. Fix some memory leaks,
free some unfreed memory. Don't give socket error using '-f' option. Fix
compilation on Cygwin. Fix IPv6 compilation on Solaris 9. Bug fix for v2.7c
Cookie change. Don't replace '//' in a URL path with '/'.
Availability
============
Version 2.7d uploaded, but may not be available yet
FTP server: ftp://ftp.ibiblio.org/pub/Linux/apps/www/servers/wwwoffle-2.7d.tgz
FTP server: ftp://ftp.demon.co.uk/pub/unix/httpd/wwwoffle-2.7d.tgz
Web page: http://www.gedanken.demon.co.uk/wwwoffle/
Author & Copyright
==================
This program is copyright Andrew M. Bishop 1996,97,98,99,2000,01,02
(amb@gedanken.demon.co.uk) and distributed under GPL.
email: amb@gedanken.demon.co.uk
[Please put wwwoffle in the subject line]
--
Andrew.
======================================================================
Andrew M. Bishop amb@gedanken.demon.co.uk
http://www.gedanken.demon.co.uk/
##########################################################################
# Send submissions for comp.os.linux.announce to: cola@stump.algebra.com #
# PLEASE remember a short description of the software and the LOCATION. #
# This group is archived at http://stump.algebra.com/~cola/ #
##########################################################################
------------------------------
** FOR YOUR REFERENCE **
The service address, to which questions about the list itself and requests
to be added to or deleted from it should be directed, is:
Internet: Linux-Announce-Request@NEWS-DIGESTS.MIT.EDU
You can submit announcements to be moderated via:
Internet: linux-announce@NEWS.ORNL.GOV
Linux may be obtained via one of these FTP sites:
ftp.funet.fi pub/Linux
tsx-11.mit.edu pub/linux
sunsite.unc.edu pub/Linux
End of Linux-Announce Digest
******************************
