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How to prevent SWEET32 Birthday Attacks on OpenVPN via Blowfish cipher vulnerability (CVE-2016-6329)
In our previous post, we saw how to secure your OpenSSL servers from SWEET32 Birthday Attack. But OpenSSL isn't the only server that's affected by this bug. Use of block cipher encryption algorithm makes OpenVPN servers also vulnerable to this attack. The OpenVPN...
SWEET32 Birthday Attack (CVE-2016-2183): Fix TLS vulnerability
Over 80% of websites on the internet are vulnerable to hacks and attacks. In our role as hosting support engineers for web hosts, we perform periodic security scans and updates in servers to protect them from hacks. A recent bug that affects the servers is...
Disable RC4 ciphers in cPanel/WHM servers – Why and How to do it?
Secure transmission of data requires encrypting the data in many ways. Ciphers are the tools used for data encryption. RC4 is one such cipher. RC4 generates a stream of pseudo-random bits. These bits are combined with plain text using 'bit-wise exclusive-or' pattern...
WordPress v4.5.3 vulnerable to Denial of Service (DoS) exploits via CVE-2016-6896 and CVE-2016-6897 – Here’s how to fix it
If your website runs on WordPress v4.5.3 website, attackers can now bring down your site through a Denial of Service attack. This is possible through two vulnerabilities that were disclosed on 22nd Aug: CVE-2016-6897 - This is a Cross Site Request Forgery...
How to mitigate VMware vIDM local privilege escalation vulnerability
VMWare has issued a latest security advisory VMSA-2016-0013, which addresses two critical vulnerabilities of VMWare products - CVE-2016-5335 and CVE-2016-5336. These are severe vulnerabilities that affect VMware Identity Manager and vRealize Automation software....
Top 5 causes for email error “451 Temporary local problem – please try later” and How to fix it in Outlook, Exim, Postfix and MailEnable
'451 Temporary local problem' is one of the most commonly reported email errors in web hosting servers. Our Support Engineers provide tech support & server management for many hosting companies, and we've seen several variants of this error. A typical error looks...
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