Vladyslav Velychko

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Activity overview

Latest activity by Vladyslav Velychko
  • Vladyslav Velychko created an article,

    Setting priority tag to 802.1p VLAN

    Overview While trying to configure the PPPoE connection with a VLAN interface, it might be required to specify the priority parameter. This is used as part of the 802.1pQ configuration. Kerio Contr...

  • Vladyslav Velychko created an article,

    Setting minimum bandwidth for IP address

    Overview While trying to upload video content to Streaming services, it might be required to reserve a minimum bandwidth value. This way it's guaranteed the PC with a specific IP address gets the m...

  • Vladyslav Velychko created an article,

    Setting daily quota bandwidth restrictions

    Overview When trying to set users' bandwidth limitations for specific URLs or categories, Kerio Control settings should be modified accordingly. The requirements are to enable a Daily quota for all...

  • Vladyslav Velychko created an article,

    Separating Internet connections using Load Balancing mode

    Overview While having two separate Internet links, it is possible to use Load Balancing mode for Internet interfaces. The second interface can be used to pass a specific portion of traffic to the o...

  • Vladyslav Velychko created an article,

    Restrict VPN access for certain IP addresses

    Overview When there is a need to allow VPN access only for certain employees, connecting from a specific IP address, Kerio Control traffic rules should be configured respectively. In this particula...

  • Vladyslav Velychko created an article,

    Restoring lost shared MyKerio IP address groups

    Overview While working with a shared IP address group through MyKerio Cloud portal, the IP list suddenly disappeared. The list was containing suspicious IP addresses in order to block network intru...

  • Vladyslav Velychko created an article,

    Resolving Web Filter Invalid authorization failures

    Overview While reviewing Warning logs, the following Web Filter entries are shown. Unable to categorize 'website.com/' by Kerio Control Web Filter. DNS response 'FAILURE: Invalid authorization' ...

  • Vladyslav Velychko created an article,

    Resolving Transparent Proxy ERR_PROXY_CONNECTION_FAILED error

    Overview While having Kerio Control non-transparent proxy server enabled, you might receive a DNS lookup failed. This message was created by Kerio Control Proxy error. Such a message is shown in t...

  • Vladyslav Velychko created an article,

    Resolving Ping issues for DMZ

    Overview While having some internal servers or websites available to the outside Internet, so-called port mapping translation, specific host IP appears to be unreachable. The host network does not ...

  • Vladyslav Velychko created an article,

    Resolving MyKerio Error: Couldn't send ProductCommander RPC call

    Overview While trying to access Kerio Control via MyKerio, the appliance keeps dropping the network connection. Occasionally, you may receive "the appliance cannot be reached right now" MyKerio err...