SG UTM

Suggest, discuss, and vote on new ideas for SG UTM. The ultimate network security package.

SG UTM

Suggest, discuss, and vote on new ideas for SG UTM. The ultimate network security package.

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  1. Different skriplist for incoming and outgoing traffic for MailProtetion

    It would be great to have in the "Email Protection - SMTP - Transparent Mode" a different Skip-List for incoming and outgoing traffic.

    In some cases you you need to use that feature (f.e. Bridge Mode) to get all SMTP Traffic scanned for Virus and Antispam, but you need that feature only incoming.

    When you can´t skip outgoing that traffic will be blocked - so it would be great to get the solution to differ the traffic way. In other modules you have that feature.

    I know that is a special case, but without that the E-Mail Protection SMTP don´t…

    6 votes
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      0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
    • DNS Forwarders - allow a separate selection for Mail Protection

      If you've seen my DNS best practice (https://community.sophos.com/products/unified-threat-management/f/management-networking-logging-and-reporting/32566/solved-dns-best-practice/109152#109152) post, you know that it recommends NOT using the DNS servers of your ISP and using Google or OpenDNS. The reason for this is that many providers hijack DNS, breaking rDNS.

      When I started that post over eight (!) years ago, there were very few Content Delivery Networks (CDNs). Today, they abound, and that's a problem that may well trump thr rDNS problem. As Alexander Busch described this situati in a post near the end of the DNS Best Practice thread, "Essentially, it is about the provider operating a large…

      3 votes
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        0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
      • AD Look-up MISSING contact!

        At the moment the currenct build in AD check/query is _incomplete_!

        This is the current AD check/query:

        AD_LOOKUP_OK = ${lookup ldapm{referrals=nofollow user=${quote:AD_USER} pass=${quote:AD_PASS} AD_SERVER/${quote_ldap:AD_BASE}?mail?sub?(&(|(objectClass=user)(objectClass=publicFolder)(objectClass=group)(objectClass=msExchDynamicDistributionList))(|(proxyAddresses=SMTP:${quote_ldap:PRVS_FLATTEN_RCPT})(mail=${quote_ldap:PRVS_FLATTEN_RCPT})))}{1}{0}}

        This is what is should be (as we use it, and have to change the exim every time the UTM is update):

        AD_LOOKUP_OK = ${lookup ldapm{referrals=nofollow user=${quote:AD_USER} pass=${quote:AD_PASS} AD_SERVER/${quote_ldap:AD_BASE}?mail?sub?(&(| (objectClass=contact) (objectClass=user)(objectClass=publicFolder)(objectClass=group)(objectClass=msExchDynamicDistributionList))(|(proxyAddresses=SMTP:${quote_ldap:PRVS_FLATTEN_RCPT})(mail=${quote_ldap:PRVS_FLATTEN_RCPT})))}{1}{0}}

        When you compare them you will find that we added:
        “(objectClass=contact)”
        As Exchange ready AD's can have contacts that can receive mail from "external".

        This "fix" can be implemented in the next release with no problem at all.

        2 votes
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          1 comment  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
        • Make it possible to disable IPv6 for SMTP

          If ipv6 is on, than its also on für smtp. But we get no static IPv6 by Deutsche Telekom AG without a expensive contract; but we get a static IPv4. With no static ipv6 we cant configure the AAAA-Record / PTR /RDNS . So our ipv6-Mails will classified as SPAM because we cant disallow to send mails via ipv6. But we will need ipv6 in the future for VPN-connections.

          1 vote
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            0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
          • Quarantineless Mail Protection

            to minimize spam handling and be legally protected i suggest to add a Quarantineless mail protection.

            Quarantineless means for me that any sort of mail filtering (spam/virus/...) is done during the smtp receive/transmit process. if mail is voted as Spam/virus-infectred/... reject (not drop) email ...

            AND!!!!:

            1. to handle "false-positive" mail ... send back an NDR (perhaps with different reasons (spam/virus-infected/..)), so that an sender knows why we reject the mail.
            2. if internal user wants to "allow" incoming mail from sender, internal uses send out email to blocked sender through Mail Protection ... Mial Protection implicitly whitelist this sender…

            1 vote
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              0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
            • Reject Quarantine Messages Choice

              Add option for quarantine emails to be rejected (add in drop down: View, Delete, Release).
              This will also inform the sender that his email was rejected if for example the antivirus engine failed to perform a security scan.

              1 vote
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                0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
              • Allow custom exim configuration

                Allow custom exim.conf configuration to be added. Exim has alot of flexibility and features that are not available through the web interface, so it would be nice to be able to add your own custom config.

                1 vote
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                  0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                • Block recepient address in SMTP proxy

                  The option is required to block recipient email address in SMTP proxy to block users sending to their personal email accounts or to control recipient address if users are sending email to resigned employees by mistakenly.

                  1 vote
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                    0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                  • Spam unknown sandbox/hold

                    This stemmed from a particular spam message we received. The spam was not caught by the filter(s) and was sent off to "Cyren" for analysis. In the time it took from that initial email to be sent to Cyren and then confirmed as spam, it had been 4 minutes. In those 4 minutes, we received multiple emails from that same sender, with the same subject, etc, which passed through the filters just as the first had done. Once Cyren responded back that the email was confirmed as spam, the UTM began blocking any future messages from that sender (as it…

                    1 vote
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                      0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                    • Whitelist for File Type / MIME Type Filtering

                      A customer wants to put email sender addresses on a white-list not only for bypassing spam filter, but for bypassing File Extension Filter or MIME Type Filter.

                      1 vote
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                        0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                      • Enable Header Matching of Data Protection Custom Rules

                        To match the functionality of the Sophos E-Mail-Appliance more closely, it would be helpful if it was possible to match E-Mail Headers with the Custom Rules of the Data Protection Engine.

                        This would allow triggering SPX-Encryption by marking the E-Mail as confidential or trigger on words ONLY in the subject, not in the body.

                        Two examples that work on the Sophos E-Mail-Appliance but do not work on the Sophos UTM:
                        Subject: .*\[ENC\].*
                        Sensitivity: company-confidential

                        1 vote
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                          0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                        • Support for Multiple Domains for DKIM on SEA

                          Feature Request - Support for multiple domains for DKIM on Email Appliances

                          We have two email domains that send through our clustered email appliances and want to setup DKIM for both domains, however currently the email appliances only support DKIM for a single domain.

                          We would like the ability to enter more than one selector and private key within the DKIM settings.

                          7 votes
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                            2 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                          • Encoded content filter on headers

                            Hi,

                            we received a phishing attempt in which an internal and effective email address appear as sender. After some analysis we found in the message header that sender and subject were encoded on UTF-8 (Base64).

                            Here the modified header as example:

                            - - - - - - - - - - - - - - - - - - - - - - - - - -

                            Received: from hide (hide) by hide
                            (hide) with hide (TLS) id hide via hide
                            Transport; Wed, 10 May 2017 23:45:21 +0200
                            Received: from hide (hide) by hide
                            (hide) with hide (TLS) id hide;…

                            6 votes
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                              0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                            • Mail Limit Relayusers to a specific ip/network

                              Improve the possibilty of the mail protection to define specific single/multiple IPs and/or networks which are allowed to use smtp auth. to send a mail from external through the UTM to other receiver (internal and external)

                              We have had an open bug report on Sophserv but the sophos contact advised us to open a feature request here.

                              Add. information: The blacklist/whitelist box is available at the moment. But if you assign "Any IPv4 Internet" Default rule to blacklist(as mentioned by sophos support - we speak of the SMTP Relay Tab) blocks all SMTP traffic not only the relay traffic.

                              1 vote
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                                0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                              • Fingerprinting Spam

                                A development of spam methode is Fingerprinting Spam. Would be nice to have this feature available on Sophos devices. I was advised to raise a feature request by Sophos.

                                1 vote
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                                  0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                                • POP3 - Autoreply or Autoresponder when mail contain blocked extension

                                  The UTM doesn't have an option to send automatically e-mails back to sender if there mails where blocked cause of extensions like .doc or .xls and so on in POP3 Proxy.

                                  2 votes
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                                    0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                                  • email appliance

                                    Let the Sophos Email Appliance to accept LDAP credentials injection via HTML headers, query strings, or basic authentication headers in order to provide Single Sing On with 3rd party reverse proxy.

                                    1 vote
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                                      0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                                    • smtp: change authenticated smtp proxy authentication flow

                                      UTM first verifies username/password, and *then* checks if the user is allowed to use the authenticated smtp proxy.
                                      This allows a botnet to do a DoS attack, by simply giving wrong passwords for *any* AD account -> sophos checks all passwords, causing the account to become locked_out on the AD (too_many_failed_passwords)

                                      We would like UTM to *first* check if the user is allowed to use the auth smtp proxy *AT ALL*, then further authentication would in most cases not be required. (reducing the number of failed logons on our AD servers considerably)

                                      This is how postfix sasl does it, which…

                                      1 vote
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                                        0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Adding option for exception allowing unscannable mail

                                        It would sometimes very helpful to have the possibility to create an exception for allowing mail with not scannable attachments while having the global option quarantine unscannable and encrypted content enabled.

                                        5 votes
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                                          0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
                                        • SEA - email quarantine summary

                                          Hello,
                                          actually Sophos Email Appliance have globally on/off "email quarantine summary".
                                          It would be much better if could enable it by domain or user or user groups.

                                          Manuel

                                          3 votes
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                                            0 comments  ·  Mail Protection  ·  Flag idea as inappropriate…  ·  Admin →
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