Vladyslav Velychko

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Activity overview

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

    Changing Directory Service settings for HA functioning

    Overview While using HA mode in an Active Directory-based environment, the connection to AD DC might fail when the master goes down. The hostname of the slave and master are identical in this scena...

  • Vladyslav Velychko created an article,

    Allowing Office 365 traffic

    Overview When using Office 365 applications, such as Outlook client, the connection might be hanging, showing "in progress" state. This might be an indication, the traffic is being dropped by Kerio...

  • Vladyslav Velychko created an article,

    Allowing Whatsapp content

    Overview When using the Whatsapp messenger, the traffic might be dropped for no apparent reason. It may cause various issues with sent/received messages and downloading attachments both on mobile p...

  • Vladyslav Velychko created an article,

    Upgrading RAM in Kerio Control NG500 box

    Overview While facing issues with unusual RAM usage, such as low free memory alerts, consumption, utilization, leaks, or spikes, the Kerio Control NG500 box may stop responding. A hard reboot may f...

  • Vladyslav Velychko created an article,

    Requesting RMA for hardware box

    Overview Kerio Control physical devices, such as NG100/NG100W, NG300/NG300W, and NG500 might stop working. The common problems include issues with Internet network performance or LAN ports ping, LE...

  • Vladyslav Velychko created an article,

    Memory (RAM) or Disk upgrade on NG300/NG300W

    Overview While experiencing issues with low performance and hardware device crashing, certain parts of the Kerio Control box might be replaced. This commonly includes RAM upgrade or replacement, HD...

  • Vladyslav Velychko created an article,

    System Time warning mismatch

    Overview When opening the Kerio Control admin dashboard, the yellow warning sign against the System Time field is shown. The time is reporting a mismatch problem. This might usually happen when th...

  • Vladyslav Velychko created an article,

    Kerio VPN client persistent connection

    Overview While trying to establish a persistent (permanent) connectivity mode in Kerio VPN client, the connection needs to be disconnected. It might the case the expired SSL certificate, which is u...

  • Vladyslav Velychko created an article,

    NG511 port ordering

    Overview While configuring ports and physical cables on Kerio Control NG511 hardware box, the default WAN (Internet) interface is not being assigned as eth0. There is a naming discrepancy in Mac ad...

  • Vladyslav Velychko created an article,

    Cannot reach Ubiquiti's Unifi Cloud Portal

    Overview While trying to reach the Unifi Cloud portal through the Kerio Control device, the connection is being dropped. The portal request is not passing through the firewall in order to control t...