Proxy+ 4.00 Build 410 is a Proxy Software product from proxyplus.cz, get 5 Stars SoftSea Rating, Proxy+ works as firewall proxy server and mail server. All workstations can use Proxy+ services via the TCP/IP protocol. Some features are: Firewall increases security by separating LAN from the Internet, Disc cache with advanced manageability, Mail server with intranet mail ability, Automatic sorting of incoming messages, Automatic dialing/hanging-up of a switched telephone line, Support of synchronous and asynchronous dedicated line, WWW server for intranet and many more. This version is free for up to 3 users.
* Firewall increases security by separating LAN from the Internet
* Disc cache with advanced manageability
* Mail server with intranet mail ability
* Automatic sorting of incoming messages
* Automatic dialing/hanging-up of a switched telephone line
* Support of synchronous and asynchronous dedicated line
* WWW server for intranet
* Management of all functions via a WWW interface
* Lifetime free upgrade, free Email support
* Full function 3-user free version, 31-days unlimited trial free version
Connection to the Internet
* dedicated (synchronous or asynchronous) or switched line connection
* only one IP address, which can be allocated dynamically by the ISP
* automatic dialing at user's or mail server's request
* automatic hang-up after a defined period of inactivity
* week scheduler for an alternate hang-up timeout
* support of ISP's modem multiseries
* manual dial/hang-up via a WWW interface
Firewall / proxy server
* separates the LAN from the Internet to protect from attacks
* insecure interfaces (connected to the Internet) are detected automatically
* cache increases speed of data retrieval and enables the use of data even if a connection isn't established
* proxy cascading enables the use of a parent proxy with or without ICP protocol support
* if the ICP protocol is used it is possible to define a few cooperative proxy servers at two levels: parents (at ISP) and siblings (at partnership company)
* ICP protocol impactfully detects temporarily dead proxy servers and gives users continuous access to requested objects
* capability to access a listed source server directly (where access is enabled for permitted IP addresses)
Supported protocols and services:
* HTTP proxy for access to WWW pages
* HTTPS proxy for access to secured WWW pages
* FTP proxy for access to data at FTP servers directly from a WWW browser
* FTP gateway for access to FTP servers by FTP clients
* Telnet gateway enables terminal access by the Telnet protocol
* RealAudio proxy for playing audio/video distributed in RealAudio protocol
* SOCKS version 4 and 5 for the access of programs using SOCKS protocols
* POP3 mapped link enables easy communication between mail client and mail servers in Internet without using Proxy+ mail server
* DNS forwarder translates domain names to IP addresses
* configurable DNS cache
* Mapped links enable the use of protocols without proxy support (for instance IRC services)
Disc cache:
* data stored in the cache from WWW and FTP servers increases the speed of retrieval by other users
* supports HTTP version 1.1
* advanced configuration of cached data validity verification
* explicit time-to-live of cached objects
* disabling of cache storage configurable
Mail server:
* sends and receives mail for many Internet mail boxes at one time using the POP3 protocol
* full SMTP mail server for one or more domains
* option for leaving messages on POP3 server
* possibility to define restrictions for POP3 download (limit of message size, notification of big messages)
* optional APOP authentication on POP3 server (does not send password in readable form)
* messages from an Email box can be distributed to user groups
* sorting of incoming messages according to configurable rulesets
* treatment of MS Outlook and Outlook Express bug prevents from attack by means of Date: message header
* users can send messages even if a connection to the Internet isn't established
* intranet mail
* automatic dialing occurs at defined periods, or if the number of outgoing messages exceeds a defined limit
* week dialing scheduler
* enhanced support of the ETRN command makes the full SMTP server applicable even on a switched telephone line
* restriction of clients' relaying to the SMTP server can be configured to prevent the use of the server for spamming
* carbon copy of incoming and outgoing messages to file
* mailer masquerade enables the administrator to set the domain name in mail headers
* configurable resend if any transfer errors occur
* shorter interval between mail exchanges if switched line is connected
* configurable timeouts in communication with Internet mail servers
* configurable maximum length of outgoing messages
* SMTP supports unlimited number of recipients of one message
* it is possible to define list of external email addresses
* it is possible to schedule sending of a message at special time interval (large messages, low priority messages)
* it is possible to view messages ready to send (outgoing queue) and it is possible to delete a waiting message using WWW Admin interface
* plugin support which allows to check messages for viruses and dangerous attachments
* possibility to forward messages downloaded from POP3 servers or received by SMTP server to another local or remote recipients
Access restrictions and security:
* a list of enabled LAN segments and/or enabled IP addresses of Proxy+ users
* access restrictions for listed or unlisted URLs
* automatic detection of insecure interfaces
* possibility to authenticate HTTP proxy service by user name and password
* access restrictions by time, content type (pictures, MP3, ....) or service (FTP, RealAudio, ...)
* each computer can use its own restrictions
Further features:
* user list with grouping capability
* is configured via a WWW interface, access to the interface can be restricted
* support of regular expressions (e.g. in sorting rules, Access List)
* WWW interface for Ping and Traceroute utilities, available also from inside LAN
* display of status information (mail transfers, dialing,..)
* log files about dialing, mail processing, errors, and security violations information
* WWW server for intranet
* customizable error messages
* customizable AccessLog.TXT logfile format
* each parent proxy (parent or sibling) can have username/password assigned
* customizable Content-Type association table The license of this networking software is Freeware, you can free download and free use this Networking software.