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UTM/APP/SSL-Interception v12.2

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Dieser Artikel bezieht sich auf eine nicht mehr aktuelle Version!

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Last adaption: 12.2
New:
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This article refers to a Resellerpreview

11.7

Part of the HTTP-Proxy


SSL-Interception

SSL-Interception

Configuration under → Applications →HTTP ProxyTab SSL Interception

Caption Value Description UTM v12.2 HTTP-Proxy SSL-Interception-en.png
SSL Interception tab
SSL-Interception: On Activates the SSL interception UTM v12.2 HTTP-Proxy SSL-Interception-en.png
SSL Interception tab </includeonly>
Webfilter based: No When enabled, only connections blocked by the web filter are intercepted.

This avoids the problem that there are sites that do not tolerate an interruption of the encryption (e.g. banking software) without having to define an exception for it.

Validate SNI
Only available when "Webfilter-based" is active.		 On Without Server Name Indication validation, clients can manipulate SNI arbitrarily to bypass the web filter.
  • This setting should only be considered as a last resort when it seems impossible to standardize the DNS settings between the HTTP proxy and the UTM clients.
    • Allow non identified protocols: On If this switch is deactivated, unrecognized protocols are blocked
    CA-Certificate: CA-SSL-Interception Here, a CA must be selected that can re-encrypt the connection after decryption (and scanning).
    The public key of the CA must be installed on all client computers that are to use SSL Interception. Download can be done here directly with  ⬇Download public key .
    Download public key The public key should be installed on the clients that are going to use SSL interception to avoid certificate errors.
    Peer verification: Off This should definitely be enabled With this, the HTTP proxy checks whether the certificate of the called page is trustworthy. Since the browser only sees the local certificate, a check by the browser is no longer possible.
     Exceptions for SSL-Interception  On It is possible to define exceptions in the format of Regular Expressions. However, since only https can arrive here, it is not filtered for protocols, unlike the virus scanner.
    With + Regex new exceptions are added.
    So an exception for www.securepoint.de would be: .*\.securepoint\.de"
      
  • Regex exceptions do not apply to transparent mode!
    •  Peer verification exceptions  Aus Here exceptions for certificate verification in regex format can be added.
    Retrieved from "https://wiki.securepoint.de/index.php?title=UTM/APP/SSL-Interception_v12.2&oldid=87698"