Email Security

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Cloud Gateway: 14.3.0-032Gateway (HW/Virtual): 14.2.2-004Email and Web Manager: 14.2.0-224Reporting Plug-in: Plug-in: Add-in(s): More info

Forum Posts

CES: AsnycOS 14.3でのContent ScannerのMaximum File Size Scan Limitについて

はじめに AsyncOS 14.3でContent ScannerのMaximum File Size Scan Limit に関して動作変更があります。本ドキュメントではAsyncOS14.3.0-032の動作を基に具体的な変更点を紹介します。   概要 Content Scannerはファイルを展開し、テキストコンテンツ部分を抽出してからスキャンを実施するという動作になります。動作変更前はファイルサイズが設定値を超えても、ESAでは抽出したテキスト全体をスキャンしようとします。動作変更後はフ...

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bog2 by Cisco Employee
  • 0 replies
  • 0 Helpful votes

TLS failed. Reason: Unknown Error

Hi guys,Can you help me with this problem with inbound mails. From certain domains i get this response on ESA(TLS failed. Reason: Unknown Error).  After that the receiving is aborded. What may be the cause of this. Current version of my OS is 14.2.1....

Andrei88 by Beginner
  • 2 replies
  • 0 Helpful votes

Resolved! AsyncOS 15 version release date

Hello, As far as I dig up on the forum, I saw python 3 will be used with AsyncOS 15 version on ESA. There is a vulnerability on Nessus about this issue. But I cannot find any information about AsyncOS 15.0 release date. When will be AsyncOS released?...

zacakg by Beginner
  • 1 replies
  • 1 Helpful votes

Configure SAML for EUQ using Azure AD

We have successfully configured our CES/Secure Email hosts to use SAML against Azure AD to authenticate our administrative users to access the web GUI for almost two years, and it was worked pretty flawlessly.  Naturally, I was happy to see that they...

jjthomas by Beginner
  • 0 replies
  • 0 Helpful votes

Resolved! Best Practices attachment Filter

Hi all, as i couldnt find it via the attachment filter  / File Info. We got the information that a new way to infiltrate someone is to send .one (One Note) attachments. As they are not blocked by Macro i wonder if i can create a new Quarantine for th...

Rate Limit for Envelope

Hi,We have the "Rate Limit for Envelope Senders" alert set up on ESA for outgoing emails and all ESA admins receive them when triggered. I was wondering if there is a way generate an automatic email to the offender at the same time asking him to expl...

Special treatment for new sender incomming

Hi,I have more and more often a legitimate domains whichs is compromised.These domains have never been used to send email to my company before.Now attacker sends email from theses domains with a phishing link to me.Cisco security proxy did not detect...

sysresuem by Beginner
  • 3 replies
  • 0 Helpful votes
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