https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270315#M2558 <P>Some users have experienced network connectivity issues such as proxy problems or access denied. This should not happen as Talend Data Prep Free Desktop makes no Internet connections and receives no connection from outside the local computer (except when sending a feedback through the feedback form). Everything runs on the local machine, which may therefore be 100% offline.<BR />However it is a requirement that our product can connect to 127.0.0.1 on port 9090 for INTERNAL communication. Data Prep is in fact an HTML 5 web UI connected to a downsized, embedded web server.&nbsp;<BR />Because the software only performs internal HTTP calls, it is very strongly recommended that it uses a local loopback instead of a real on-line network connection through the wireless or ethernet adapters — if only for obvious performance reasons.<BR />Therefore, make sure with your local IT that your computer has<BR />- preferably: a loopback adapter (specialized in handling TCP/IP communications on 127.0.0.1 without leaving the computer)<BR />- an exception in the proxy and/or firewall settings to allow connections on 127.0.0.1:9090</P> Sat, 16 Nov 2024 10:45:14 GMT Anonymous 2024-11-16T10:45:14Z https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270315#M2558 <P>Some users have experienced network connectivity issues such as proxy problems or access denied. This should not happen as Talend Data Prep Free Desktop makes no Internet connections and receives no connection from outside the local computer (except when sending a feedback through the feedback form). Everything runs on the local machine, which may therefore be 100% offline.<BR />However it is a requirement that our product can connect to 127.0.0.1 on port 9090 for INTERNAL communication. Data Prep is in fact an HTML 5 web UI connected to a downsized, embedded web server.&nbsp;<BR />Because the software only performs internal HTTP calls, it is very strongly recommended that it uses a local loopback instead of a real on-line network connection through the wireless or ethernet adapters — if only for obvious performance reasons.<BR />Therefore, make sure with your local IT that your computer has<BR />- preferably: a loopback adapter (specialized in handling TCP/IP communications on 127.0.0.1 without leaving the computer)<BR />- an exception in the proxy and/or firewall settings to allow connections on 127.0.0.1:9090</P> Sat, 16 Nov 2024 10:45:14 GMT https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270315#M2558 Anonymous 2024-11-16T10:45:14Z https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270316#M2559 <P>Proxy server like : K-Proxy,&nbsp;hide.me,&nbsp;ProxySite.com, etc.</P> Thu, 28 Dec 2017 09:25:48 GMT https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270316#M2559 Anonymous 2017-12-28T09:25:48Z https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270317#M2560 <P>You can use K-Proxy. More technical help can be provided at <A title="local seo services in india" href="https://www.gautamseo.com" target="_self" rel="nofollow noopener noreferrer">local seo services in india</A>.</P> Fri, 14 Jun 2019 10:56:36 GMT https://community.qlik.com/t5/Data-Quality/Network-settings-proxy-firewall-access-denied/m-p/2270317#M2560 Anonymous 2019-06-14T10:56:36Z