Wiki source code of Problémy s připojením prostřednictvím VPN
Last modified by Martin Výlet on 03.08.2023 13:57
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4.1 | 1 | If VPN concentrator after connection does not require login and password, please check your connection to VPN concentrator by using command: |
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1.3 | 2 | |
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4.1 | 3 | * From internet: **ping vpn.vsb.cz** |
| 4 | \\(Enter ping command similary like [[here>>doc:tuonet.sit-nastaveni.ping.WebHome]].) | ||
| 5 | If server do not respond there is very likely problem with your network connection. (% style="color:#cc0000" %)Ask your provider for help(%%). | ||
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1.3 | 6 | |
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4.1 | 8 | VPN concentrators have no capacity limits. |
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1.4 | 9 | |
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1.3 | 10 | |
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4.1 | 11 | If login and password is requied again and again, you are probably entering bad login or password. You may check if your password is not blocked [[here>>url:https://innet.vsb.cz/cs/uzivatelsky-ucet/potrebuji-poradit/problemy-s-prihlasenim/]]. |
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1.18 | 12 | |
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4.1 | 14 | Also check if your access was not blocked due sharing (check your academic email). |
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1.3 | 15 | |
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1.4 | 16 | |
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4.1 | 17 | Often there are problems with firewall settings or antivirus malfunction. Try deactivate them temporarily and connect again. |
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1.3 | 18 | |
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1.4 | 19 | |
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4.1 | 20 | If you are connected to internet via SOHO router, problem might be there. Try to update firmware to the lastest version. We also register this problem at some TP-Link routers. |
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1.3 | 21 | |
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1.4 | 22 | |
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4.1 | 23 | If you have a problem connecting through the AnyConnect client, make sure that you do not have activated a proxy server (Various anonymization services, etc.). |
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1.4 | 24 | |
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1.3 | 25 | |
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4.1 | 26 | When you are installing the AnyConnect client and you will get the error message "**Web-based installation was unsuccessful**", perform the installation manually by clicking "**Install using the link below**". |
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1.3 | 27 | |
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4.1 | 29 | When installing the AnyConnect client, an error occurs "** The VPN client agent was unable to create the interprocess communication depot **", it is necessary to disable the service in the Windows Internet Connection Sharing / Internet Connection Sharing (for example [[https:~~/~~/its.uiowa.edu/support/article/3723>>url:https://its.uiowa.edu/support/article/3723]]) |
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1.4 | 30 | |
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4.1 | 31 | If you use Chrome / Chromium may appear instead of the page content vpn.vsb.cz following error: ** Error 324 (net :: ERR_EMPTY_RESPONSE): Unknown error **. The solution is to run the program with the following argument: ** - -disable-ssl-false-start **. Argument can add the shortcut properties (icon Chrome / Chromium) in the Target box: .. ** chrome.exe-- --disable-ssl-false-start **. More technical information can be found, for example, |
| 32 | [[here>>url:https://tools.ietf.org/html/draft-bmoeller-tls-falsestart-00#page-3]]. | ||
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1.4 | 33 | |
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1.8 | 34 | |
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4.1 | 35 | __**Only for Cisco VPN client:**__ |
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1.5 | 36 | |
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4.1 | 37 | When logging will be correctly, but have problems when transferring data, set with utility setmtu ** ** MTU 1300 B. Program in the directory with a VPN client "Program Files / Cisco Systems / VPN Client". |
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1.5 | 38 | |
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4.1 | 40 | if your Internet service provider uses address translation, you must have setup a VPN client checked item ** ** Enable Transparent Tunneling. Check this tab ** ** Transport. You can use IPSec over UDP (preferred) and IPSec over TCP. |
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1.5 | 41 | |
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4.1 | 43 | When using the Cisco VPN client is needed to the Windows (% style="color:rgb (204, 0, 0)" %) was not (%%) installed ** Transport Protocol compatible with NWLink IPX / SPX **. Uninstall it in the Control Panel ** ** Network Connections. |
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1.5 | 44 | |
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4.1 | 45 | Occurs when you install the client on Windows Vista or Windows 7 ** error Internal Error 2738 or 1720 **, follow these steps. Use this procedure even in the case when installed on Windows 7 64 bit error occurs ** Installation ended prematurely Because of an error **. |
| 46 | __Only for Windows 7: __ | ||
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1.5 | 47 | |
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4.1 | 48 | 1. First you need to delete a registry key (there may be even twice): |
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1.6 | 49 | ##HKEY_CURRENT_USER\SOFTWARE\Classes\CLSID\{B54F3741-5B07-11CF-A4B0-00AA004A55E8}## |
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4.1 | 50 | On Windows 7 64bit it is the key: |
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1.6 | 51 | ##HKEY_CURRENT_USER\Software\Classes\Wow6432Node\CLSID\{B54F3741-5B07-11CF-A4B0-00AA004A55E8}## |
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4.1 | 52 | More information http://blogs.msdn.com/astebner/archive/2007/06/07/3151752.aspx |
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1.6 | 53 | |
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4.1 | 54 | __For Windows 7 and Vista:__ |
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1.6 | 55 | |
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4.1 | 56 | 1. Make sure that you are not running the installer Cisco VPN client. |
| 57 | 1. Click on Start → All Programs → Accessories | ||
| 58 | 1. Right-click on Command Prompt. Select Run As ... menu, then select Run As Administrator. | ||
| 59 | 1. In the command prompt write cd C:\Windows\System32 and press enter. | ||
| 60 | 1. Then enter regsvr32 C: \ Windows \ System32 \ vbscript.dll ** and press Enter.** | ||
| 61 | 1. You'll see a message that says "DllRegisterServer in C: \ Windows \ System32 \ vbscript.dll succeeded." Then click OK. | ||
| 62 | 1. Close the Command Prompt and restart the computer. | ||
| 63 | 1. By now, the installation was done correctly. | ||
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