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I have received an message indicates that I'm using an older SonicWall firewall (Gen5) with outdated firmware or a firewall that is now multiple generations out of date (Gen3 or Gen4). The National Institute of Standards and Technology (NIST, a non-regulatory agency of the United States Department of Commerce) has determined that the SHA-128 algorithm (SHA-1) used on these older devices could be vulnerable to attacks. <br />
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Currently, my sonicwall only use the NAT function without CFS. Will it affect my users browsing internet ? &nbsp;Thx<br />
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<a href="https://support.sonicwall.com/kb/225848?utm_campaign=26786-51778-NS-NA-SHA1_SHA2_Migration_Notice_customers&utm_medium=email&utm_source=Eloqua" rel="ugc">https://support.sonicwall.com/kb/225848?utm_campaign=26786-51778-NS-NA-SHA1_SHA2_Migration_Notice_customers&utm_medium=email&utm_source=Eloqua</a>
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I have received an message indicates that I'm using an older SonicWall firewall (Gen5) with outdated firmware or a firewall that is now multiple generations out of date (Gen3 or Gen4). The National Institute of Standards and Technology (NIST, a non-regulatory agency of the United States Department of Commerce) has determined that the SHA-128 algorithm (SHA-1) used on these older devices could be vulnerable to attacks. 

Currently, my sonicwall only use the NAT function without CFS. Will it affect my users browsing internet ?  Thx


https://support.sonicwall.com/kb/225848?utm_campaign=26786-51778-NS-NA-SHA1_SHA2_Migration_Notice_customers&utm_medium=email&utm_source=Eloqua

Sonicwall SHA issue

SonicWall

HTTPS is a protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL). The main motivation for HTTPS is authentication of the visited website and to protect the privacy and integrity of the exchanged data. HTTPS is widely used for protecting page authenticity on all types of websites, securing accounts and keeping user communications, identity and web browsing private.

SSL / HTTPS

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.