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What is ProxyCap? |
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When do I need ProxyCap? |
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Which applications does ProxyCap support? |
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For which programs can I use HTTP proxy? |
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Does ProxyCap support UDP? |
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How does ProxyCap deal with applications that don't support proxy servers? |
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How do I add a new program? |
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How do I add a Java program? |
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How can I tell ProxyCap not to use proxy when connecting to computers in my home network? |
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Does the order of rules matter? |
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My corporate HTTP proxy returns error “403 Access Denied”. |
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I get error from HTTP proxy “407 Proxy Authentication Required”. |
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What does the “Integrated Windows authentication” option mean? |
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I defined proxy for my FTP client, but it doesn't work. Is there a way to fix that? |
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I created rule for program X, but X wouldn't connect. What can be a reason? |
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How do I setup “remote” DNS? |
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ProxyCap tells me my network configuration is out of date. I have NOD32 Antivirus installed. |
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What is ProxyCap? |
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ProxyCap enables you to tunnel Internet applications through HTTP, SOCKS v4, and SOCKS v5 Proxy Servers.
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When do I need ProxyCap? |
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Some of the common uses are:
• Access the Internet from a home or corporate network through a proxy server running on the gateway.
• Hide your identity (IP address) from the outside world.
• Use your favourite Internet programs from behind a restrictive firewall.
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Which applications does ProxyCap support? |
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ProxyCap supports a huge number of Internet clients. Here are only some of them:
• Instant messengers: MSN Messenger, Skype, ICQ and others.
• IRC clients: mIRC and others.
• FTP clients: WS_FTP, CuteFtp and others.
• all SSH and Telnet clients.
• all News Readers.
• Remote-access software: PCAnywhere, Virtual PC, VNC and others.
• E-mail clients: Outlook, Eudora, Thunderbird and others.
• Web Browsers: Internet Explorer, Firefox, Opera and others.
• Video/Audio streaming software: RealPlayer, MediaPlayer and others.
• Download accelerators: GetRight, DAP and others.
• Online games: Quake, Unreal Tournament and others.
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For which programs can I use HTTP proxy? |
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For any kind of Internet clients that use TCP based protocols: FTP, IRC, NNTP, SMTP, POP, and others.
You may have heard, that HTTP proxies are only usable for Web browsers.
This is not quite true. ProxyCap “talks” to HTTP proxy using special “language”, intended
for exchanging secure (HTTPS) content. Being treated this way, regular HTTP proxies are usable
for many types of network applications.
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Does ProxyCap support UDP? |
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ProxyCap supports UDP tunneling through Socks v5 proxy servers. The required condition is that UDP relay must be enabled
on proxy server. Also, if you want to run streaming software or online games from behind Socks you need to ensure that
connection to proxy is fast enough.
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How does ProxyCap deal with applications that don't support proxy servers? |
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Programs don't have to support proxy servers in order to work with ProxyCap. Programs don't even “know” that
they are being connected through a proxy. This is done transparently for programs by ProxyCap.
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How do I add a new program? |
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Here is an easy way to add a program (will work for most programs):
1. Right click on the ProxyCap taskbar icon and choose Preferences.
2. Click the Rules category.
3. Press the New button on the toolbar.
4. In the Application field click the Specify button. Select EXE of the program you want to add.
Accept the default values for all other fields.
Example: Step-by-Step: Setup ProxyCap to work with Microsoft Telnet Client
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How do I add a Java program? |
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Java programs cannot be specified in the Application field.
Instead, you can specify port (or port range) the program will try to connect
to. Alternatively, you can specify Java.exe in the Application field.
But then this rule will apply to all Java programs (use this only if you don’t know ports).
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How can I tell ProxyCap not to use proxy when connecting to computers in my home network? |
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To force direct connection to other computers in your LAN, do the following:
1. When in the Rule Editor, click the New button.
2. Fill in the Destination IP range. In most cases, 192.168.0.0/16 (home or small corporate LAN) or 10.0.0.0/8 (large corporate LAN).
3. Set the rule type to “Force direct connection”.
Leave other fields as they appear by default.
Don't forget to move the rule to the top of the list, so it will be evaluated before others.
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Does the order of rules matter? |
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Yes. Rules are examined in ascending order (from top to bottom).
If a rule matches, then all following rules are ignored.
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My corporate HTTP proxy returns error “403 Access Denied”. |
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It seems your corporate HTTP proxy doesn't allow connections to specific destination port.
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I get error from HTTP proxy “407 Proxy Authentication Required”. |
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This error indicates that you need to supply valid log on credentials (enter User ID and Password in the Proxy Server Properties dialog).
ProxyCap supports the Digest, NTLM and Basic HTTP authentication schemes. ProxyCap will try to use the most secure auth-scheme from list of
auth-schemes supported on the proxy server. For NTLM, it will be assumed that the user belongs to the domain on the target system. In order to
explicitly provide domain, enter User ID in the format “domain\user”.
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What does the “Integrated Windows authentication” option mean? |
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If the “Integrated Windows authentication” box is checked, ProxyCap tries to authenticate using credentials
of Windows account proxied application is running under (in most cases, it is the same as account of the currently
logged on Windows user). No user supplied user ID and password required then. The condition for this to work is that
server side must support the Windows-native authentication scheme.
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I defined proxy for my FTP client, but it doesn't work. Is there a way to fix that? |
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Make sure that the FTP client is in PASSIVE mode.
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I created rule for program X, but X wouldn't connect. What can be a reason? |
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Examine the Session Error Log (right click on the ProxyCap taskbar icon and choose [Session Error Log]).
If it's empty try our Online Proxy Checker with tunneled protocol set to an appropriate
value in order to determine the exact reason for the failure.
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How do I setup “remote” DNS? |
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Here are some requirements and tips to setup “remote” DNS:
• Tell ProxyCap to proxy the 53 UDP port by creating appropriate tunneling rule.
• You must assign valid DNS servers in the Windows network settings. If, for some reason, you can't use your ISP's
or company's DNS server you can pick one from the list. Many
servers listed will work from any place.
• Windows 2000/XP/Vista users: you must stop/disable the DNS cache service. You can stop the service by typing
“net stop dnscache” at the command prompt. To prevent Windows from starting the service after reboot, edit service
startup type for “Control Panel/Administrative Tools/Services/DNS Client”.
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ProxyCap tells me my network configuration is out of date. I have NOD32 Antivirus installed. |
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In order to solve this issue, update NOD32 to version 3.0 or later.
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