"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
The Active Directory Syncronization feature on the Sophos Web Appliance fails intermittently.
Known to apply to the following Sophos product(s) and version(s)
Sophos Web Appliance
This issue can occur when there are incorrect entries in the DNS A record for your domain name, or for the FQDN of your Domain Controllers.
When attempting to join the domain or sync with the specified Domain Controller, the Sophos Web Appliance may use the wrong I.P. address, causing intermittent problems.
1. Test to confirm you are affected by the issue:
2. Check to ensure that the following Firewall and Directory requirements are met: http://wsa.sophos.com/docs/wsa/swa_docs/ws1000/tasks/ConfigSysActiveDirectoryAccess.html
3. If your domain name or Domain Controller FQDN resolves to an incorrect I.P. addresses, use one of the following methods to resolve the issue.
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