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Kaspersky Security for Internet Gateway

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Kaspersky Security for Internet Gateway

A club blog for Kaspersky Security for Internet Gateway

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Known Problem

Error "ERR_TUNNEL_CONNECTION_FAILED" [Kaspersky Web Traffic Security]

Description Error looks like this. Blocking via rules works correct, but instead of KWTS blocking page you see an error "ERR_TUNNEL_CONNECTION_FAILED" Cause You can read about this in Online help "The reason for this is that in order to establish encrypted HTTPS connections the user's computer requests from the proxy server a connection to the web server using an HTTP message containing the CONNECT method (hereinafter also "a CONNECT request"). The ability of proxy serv
svc_kms
Known Problem

KWTS: Error "Not enough free space on the disk" [Kaspersky Web Traffic Security]

Description Error looks like this: You can't download trace log. But there is free space on the disk: Cause You will see this error if free disk space less than 10G.  KWTS is not in sizing 200 GB of hard drive space, which includes: 25 GB for temporary file storage 25 GB for log file storage How to solve a problem Bring disk sizing to minimum hardware requirements
svc_kms
Known Problem

KWTS: Error "Could not resolve host" [Kaspersky Web Traffic Security]

Descriptrion You can see an issue like this: You can also find log entries like this in diagnostic_info\logs\var\log\kwts-traces.log Line 1538367: Jan 11 18:12:33 kwts2 KWTS Licenser[1154]: 1241 INF httpcli#011Req 0x7fecd003b9d0 CURL: Could not resolve host: activate.activation-v2.kaspersky.com Line 1538460: Jan 11 18:12:33 kwts2 KWTS EventLogger[1062]: 1102 DBG APP: void lms::event
svc_kms
How-to

How to fix issue with log rotation [Kaspersky Web Traffic Security]

Issue: Some log files in KWTS take up a lot of disk space. Log rotation for these files does not work For example:   Information Information about logs sizing and rotation you can find in files in /etc/logrotate.d folder on the KWTS server. The size of log files should be no more than: Log file In what file it described Size of a log file should be no more than: All files in /var/log/kaspersky/kwts/extra/ /etc/logrotate.d/kwts 100 MB /var/log/kwts-messages /etc/logrotate.d/kwts-syslog 500 MB /
svc_kms
  • svc_kms in How-to
Known Problem

KWTS 6.1-ISO. Integration with external ICAP service [Kaspersky Web Traffic Security]

General information Kaspersky Web Traffic Security does not have a regular function of integration with external services via the ICAP protocol, however, it can be added by manually changing the configuration files of the built-in proxy server from the technical support mode. Important: ICAP integration works in synchronous mode - data transfer is suspended until the ICAP server processes the request. This may introduce additional delays in the processing of user traffic, thus reducing
svc_kms
Known Problem

KWTS: Send only detects to external syslog server [Kaspersky Web Traffic Security]

Description and cautions Here's how to configure export only detects from KWTS to external syslog server, which accepts TCP stream on facility local1. Details Create file /etc/rsyslog.d/kwts-detects.conf with contents as per below (replace SERVER:PORT by your external syslog server, @SERVER:PORT if UDP is in use instead of TCP)  $ActionQueueFileName KWTSDetects
svc_kms
How-to

KWTS: How to change Syslog location [Kaspersky Web Traffic Security]

Description and cautions Sometimes you may need KWTS to write syslog messages to different log's name or/and path. We're talking about this setting: Steps below were performed on Centos 7+ x64 and Ubuntu 20.04/22.04 x64  KWTS 6.1 NOT ISO By default it's set to local1, and depending on OS KWTS writes syslog messages to: 1) CentOS > /var/log/messages 2) Ubuntu > /var/log/syslog Details So here's how to change default behavi
svc_kms
  • svc_kms in How-to
Known Problem

KWTS: Information on localization package and KWTS installer from the download site [Kaspersky Web Traffic Security]

There are 2 types of installer within:https://www.kaspersky.com/small-to-medium-business-security/downloads/internet-gateway?icid=gl_sup-site_trd_ona_oth__onl_b2b_klsupport_tri-dl____gateway___  Version 6.1.0.4762 | Red Hat Enterprise Linux | Localization package Version 6.1.0.4762 | Red Hat Enterprise Linux | Distributive What' the difference between these two packages? Localization package is something you install additionally after installing distributive (applicati
svc_kms
Known Problem

KWTS: Connect via ssh and scp (Putty & WinSCP) [Kaspersky Web Traffic Security]

How to connect to KWTS via SSH or receive the files via SCP? Below are the examples of using Putty and WinSCP tools. In the puttygen utility (from the Putty package): Type of the key to generate: RSA. Generate the key. Protect the key with a password (key passphrase). Save the private key. Copy the public key from the field "Public key for pasting into OpenSSH authorized_keys file"  In the KWTS web interface: Paste the copied public ke
svc_kms
Known Problem

KWTS Kerberos LDAP, SSO, Proxy authentication problems [Kaspersky Web Traffic Security]

Introduction Often problems with Kerberos are difficult to diagnose but they occur if you're deploying KWTS for the first time. There are three functional places in the product where Kerberos authentication can be used: Proxy authentication This is needed for users to authenticate on the proxy server automatically without login prompt. If login prompt pops-up, then Kerberos authentication failed. LDAP authentication  This is needed for KWTS to synchronize LDAP cache wit
svc_kms

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