BugZero | Citrix NetScaler BugID NSHELP-42209 - In rare scenarios, the data transfer over a TCP co...

Citrix NetScaler - Defect ID: NSHELP-42209

In rare scenarios, the data transfer over a TCP connection might stall completely if the following parameters or settings are configured: SSL record length TCP MSS settings Mellanox Interface Jumbo MTU (more than 1500)

Citrix NetScaler - Defect ID: NSHELP-42209

In rare scenarios, the data transfer over a TCP connection might stall completely if the following parameters or settings are configured: SSL record length TCP MSS settings Mellanox Interface Jumbo MTU (more than 1500)

Last updated on April 2nd, 2026

BugZero Risk Score
0.0 Coming soon

Overall: N/A

Severity: N/A

Community: N/A

Lifecycle: N/A

What is the BugZero Risk Score?

Citrix NetScaler Integration

Learn more about where this data comes from

Citrix NetScaler Integration

Learn more

Bug Scrub Advisor

Streamline upgrades with automated vendor bug scrubs

Bug Scrub Advisor

Learn more

BugZero Enterprise

Wish you caught this bug sooner? Get proactive today.

BugZero Enterprise

Learn more

Bug Details

Status: Known

Description

The vendor has published 1 unique mention(s) for this bug: 1. In rare scenarios, the data transfer over a TCP connection might stall completely if the following parameters or settings are configured: SSL record length TCP MSS settings Mellanox Interface Jumbo MTU (more than 1500) Modules: 1. Platform Latest urls for this bug: 1. https://docs.netscaler.com/en-us/updates?product=NetScaler%20ADC%20%28includes%20NetScaler%20Gateway%29&version=13.1&build=62.23

Change history

2026-04-02 Added: Build 13.1-62.23

Top Citrix NetScaler Defects

Defect ID: NSHELP-42494
Uploading the LAS activation blob from the NetScaler GUI might fail with the error Invalid Object name. Workaround: Upload the LAS activation blob by using NetScaler CLI. For more information on uploading the blob using CLI, see Transition to LAS by using the NetScaler CLI .
Defect ID: NSHELP-42209
In rare scenarios, the data transfer over a TCP connection might stall completely if the following parameters or settings are configured: SSL record length TCP MSS settings Mellanox Interface Jumbo MTU (more than 1500)
Defect ID: NSUI-14752
In Citrix ADC GUI, the "Help" link present under the "Dashboard" tab is broken.
Defect ID: NSUI-13024
Create/Monitor CloudBridge Connector wizard might become unresponsive or fails to configure a cloudbridge connector. Workaround: Configure cloudbridge connectors by adding IPSec profiles, IP tunnels, and PBR rules by using the Citrix ADC GUI or CLI.
Defect ID: NSSSL-9572
On a heterogeneous cluster of Citrix ADC SDX 22000 and Citrix ADC SDX 26000 appliances, there is a config loss of SSL entities if the SDX 26000 appliance is restarted. Workaround: On the CLIP, disable SSLv3 on all the existing and new SSL entities, such as virtual server, service, service group, and internal services. For example, `set ssl vserver <name> -SSL3 DISABLED`. Save the configuration.

Ready to prevent the next vendor outage?

Get a demo

Citrix NetScaler - Defect ID: NSHELP-42209

In rare scenarios, the data transfer over a TCP connection might stall completely if the following parameters or settings are configured: SSL record length TCP MSS settings Mellanox Interface Jumbo MTU (more than 1500)

Citrix NetScaler - Defect ID: NSHELP-42209

In rare scenarios, the data transfer over a TCP connection might stall completely if the following parameters or settings are configured: SSL record length TCP MSS settings Mellanox Interface Jumbo MTU (more than 1500)

Last updated on April 2nd, 2026

BugZero Risk Score0.0 Coming soon

Bug Details

Links

Top Citrix NetScaler Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
0.0 Coming soon