Just a question - do people still find the DHAP (Directory Harvest Attack Prevention) still useful? We've had it on for years but in the last couple of months had two major "denial of service" of email due to DHAP triggering and causing way more harm...
Forum Posts
Hello All, Wants to move my onpremise Cisco Email Security Solution to Cisco Cloud Email Security. Is it any such migration document available from there i can get some helpful points. Please find attached rough diagram which states currently my offi...
Hi Dear Cisco Community Support Sometimes, customers are in emergency & need talk about something online because time is very important & we have to decide about something fast & of course Cisco's Support know how much their customers satisfaction is...
Hi guys, Can I create a message filter that will check the sizes of attachments and then drop specific files in attachments that are 0 bytes? All instructions that i found regarding this topic refer to CLI (which i'm unable to locate). I wanted to as...
Hi can any one help me how avoid resource conversion mode for cisco esa c390. when the memory hits 45% it will go resource conversion mode. and when that happen email will send/receive slow. Many email will go for queue. is there any work around to ...
We are just enabling External Threat Feeds pulling from an aggregated source our security team has created. When I look at the delta pulls each hour, it is pulling thousands of observables. But I am told there are only about 37,000 indicators in th...
Hi, I'm interesting to use the function of time of click protection for e-mail messages, but cannot find this option in Cisco Email Security Appliance. Is it available and where I can find it ?
Is it possible to use a different network interface for the new GUI (trailblazer)?I prefer not to use the default management interface, but use data 3 instead.The prerequisites are in place:DNS can resolve the (data 3) Interface "Hostname"AsyccOS > ...
1. If SMTP auth, will/can it bypass DMARC?2. How to check if user is allowed to use SMTP AUTH command using an Active Directory/LDAP group3. How to use SMTP AUTH Client certificate and require the cert to have a subject name *.abc.com or a specific o...
I started a trial of Cisco Secure email cloud mailbox with m365, but it wasn't the product we are looking for. Is it enough to remove the journal email? Or are there other settings to be removed?
Hello, an odd question I know. We are retiring a Cisco 370 appliance. It has been replaced by a group of C390s. For technical reasons, we could not transfer all IPs\Hostnames from the old environment to the new one because my company network desi...
Hi Dear Supportin the new look of Cisco ESA Interface, there are many useful report categories like mail flow summary that give good information (Attached Picture). You can Export this info as a .csv file. Is there anyway to Print exact Report on the...
Resolved! Message xxxx to yyyy@zzz.com bounced by destination server. Reason: 5.1.0 - Unknown address error
Hello,I have these messages sent only to a specific domain that aren't being delivered.This is the error I got from SMA/Message tracking:19 Jul 2021 18:06:12 (GMT +02:00) SMTP delivery connection (DCID 14832928) opened from Cisco IronPort interface x...
Please find the following new Blog post regarding Python on Secure Email: https://community.cisco.com/t5/security-blogs/python-on-secure-email-vulnerability-concerns-july-2021/ba-p/4433037
Hello All,Not sure if I'm in the right community but I have Snort running on all edge devices, and I'm seeing that encrypted emails and their attachments are not retrievable by the recipient. I know the domain of the end party trying to send the encr...
