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Zscaler Port 9000, However, if Zscaler Client Connector starts before the other application and begins listening on port 9000 for Internet & SaaS or port 9010 for Private Access, the other application can fail. The Intrusion URL should remain unchanged and will still serve as an accurate source for the attack. Jun 21, 2025 · Zscaler Client Connector binds to that interface and opens TCP port 9000. You can take a look at the fiddler set up for an example of how to do this. As such, when IPS detects malicious activity from a website, it's going to detect the localhost address on port 9000 as the remote source of the attack. Somehow this caused duplicative traffic to minio and probably duplicative writes of the same object. Then, you configure Fiddler to listen for requests on port 8080, and configure Fiddler’s Gateway to be the real Z App loopback address, 127. ただし、Zscaler Client Connectorが他のアプリケーションより先に開始し、ZIAでは9000またはZPAではポート9010でリスニングを開始すると、他のアプリケーションが失敗する可能性があります。 Meaning that the application needs to respect the system proxy or set the proxy directly within the application (127. 0. Jul 14, 2021 · Last active 6 months ago Star 8 8 Fork 0 0 ufw rules to get zscaler working on linux Raw zscaler_ufw. 3. This is done by using the tunnel with local proxy method to explicitly forward to localhost:9000. 0 is as you mention tcp port 80 and 443 only. May 27, 2022 · It turns out developer laptops running a ZScaler proxy had that proxy using port 9000 while the minio docker container was also listening on port 9000. In the App Profile for Windows you can also exclude traffic by the port number and IP combinations. But you can configure a PAC file (forwarding profile PAC) to forward http (s) traffic on non-standard ports to be directed to client connector. Under Configure System Proxy Settings drop-down menu, define the proxy settings for your users’ systems. Since Zscaler starts when the computer launches (before any other user-applications can be run) it reserves Port 9000 and subsequently prevents the normal functionality of SoftMax Pro. 1 port 9000 sudo ufw allow in on zcctun0 proto any from 100. Jul 24, 2022 · Expected behavior While running Zscaler Client Connector and attempting to override the macOS proxy settings, the local macOS HTTP/S Proxy settings should be automatically enabled and updated to use the local IP address and port for Proxyman. txt sudo ufw allow in on zcctun0 proto any from 10. Sophos 10. Jan 26, 2026 · The webpage provides instructions for installing the Zscaler connector for VPN access. The requests should go from the browser, through fiddler, through Z App, to the cloud. In Tunnel with Local Proxy mode, Zscaler recommends you to enable: Disable Loopback Restriction , Override WPAD, and Restart WinHTTP Service options to ensure the app can properly set proxy settings on Windows devices. That means the speedtest is solely useable from your local machine and thus cannot be used remotely. 1 port 9010 Nov 21, 2022 · The Zscaler security suite software also uses Port 9000 for global configuration Port management. Firewall/Antivirus Interference Firewall or antivirus solutions may be blocking the connection. . IMHO the speedtest in ZCC is not an officially sanctioned tool and maybe removed/disabled/modified by Zscaler anytime. By default, Zscaler Client Connector listens on port 9000 for Internet & SaaS and port 9010 for Private Access via a TCP protocol. Yes you can, by default the listening port is 127. Open Settings > Connections and ensure that the Fiddler port is the same as the one configured in the Zscaler PAC script. 4 has a network extension app (doing some inspection of traffic) that when installed seems to block the ZCC tunnel process from binding to port 9000. Additionally I've seen an explicit fw rule is sometimes needed to allow traffic to/from the zcc listening port which is 9000 by default but can be changed. In order to avoid port conflicts with other applications, you can configure the port for Zscaler Client Connector to listen on. Tunnel mode 1. 1:9000. 8 on ports 80, 443, and then 8080 if needed. Jun 3, 2026 · Zscaler examines traffic and acts as an intermediary between the client and the internet. May 28, 2026 · Zscaler will usually revert any changes made in the OS system proxy settings, so ensure that the System Proxy switch always stays OFF. However, if Zscaler Client Connector starts before the other application and begins listening on port 9000 for ZIA or port 9010 for ZPA, the other application can fail. Verify that Zscaler is installed and listening on Zcc process will send a health check to 100. 0/16 to 100. Feb 25, 2025 · To resolve this, identify and remove any rules blocking inbound connectivity to local port 9000 or port 80. 1 port 9000). Solution: Ensure that proper whitelisting is configured according to the guidelines provided at Zscaler Client Connector Processes Data center, colocation rack, cloud servers, managed hosting or bare metal servers? Data Center Map is your guide to the right data center provider. 6 and 100. 64. Zscaler Client Connector automatically listens to the next port if another application is listening to the port. 0/8 to 100. To bypass any non-web traffic, you need to use the VPN bypass and use the IP/FQDN’s to make the exception.