Following that, in an encrypted protocol (TLS, SSL) this can cause a packet fragmented or not complete. If the MTU size set up on the WAN Interface is bigger than the real MTU size provided by the ISP, the packet with length bigger than the real MTU size will lose some bytes. The issue may be caused by the MTU size of the packets being sent/received by the SonicWall. The packets are shown in the Packet Capture as 'Ignored Unknown Record' or 'TCP (Spurious) Retransmission'. Some HTTPs website (but it could happen also with the HTTP Websites) is not reachable even if the Security Services are all disabled. Copy URL The link has been copied to clipboard.Content Filtering Client Control access to unwanted and unsecure web content.Capture Client Stop advanced threats and rollback the damage caused by malware.Cloud Firewall (NS v) Next-generation firewall capabilities in the cloud.Cloud App Security Visibility and security for Cloud Apps.Email Security Protect against today’s advanced email threats.Switches High-speed network switching for business connectivity.Wireless Access Points Easy to manage, fast and secure Wi-Fi.Secure Mobile Access Remote, best-in-class, secure access.Cloud Edge Secure Access Deploy Zero-Trust Security in minutes.Capture Security appliance Advanced Threat Protection for modern threat landscape.Capture ATP Multi-engine advanced threat detection.Network Security Manager Modern Security Management for today’s security landscape.Security Services Comprehensive security for your network security solution.

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