How do I get Fiddler to stop ignoring traffic to localhost

Question

When using Fiddler to monitor HTTP Requests  amp  Responses in Internet Explorer it ignores all traffic directed to http   localhost

User · Answer

You can use http   ipv4 fiddler or http   ipv6 fiddler instead of localhost

User · Answer

To get Fiddler to capture traffic when you are debugging on local host  after you hit F5 to begin degugging change the address so that localhost has a     after it    For instance  you start debugging and the you have the following URL in the Address bar    http   localhost 49573 Default aspx   Change it to   http   localhost  49573 Default aspx   Hit enter and Fidder will start picking up your traffic

User · Answer

To get Fiddler to capture traffic when you are debugging on local host  after you hit F5 to begin degugging change the address so that localhost has a     after it    For instance  you start debugging and the you have the following URL in the Address bar    http   localhost 49573 Default aspx   Change it to   http   localhost  49573 Default aspx   Hit enter and Fidder will start picking up your traffic

User · Answer

Go to Tools  Fiddler Options      select the Connections tab  then make sure Monitor all connections is ticked  Like Antony Scott said  but also make sure that the  Web Sessions  pane is set to  Capturing  and    Web Browsers  OR  All Processes      Looks like the default is  Non-Browser

User · Answer

Don t use localhost in the url     http   localhost 4200 myTestProject     Use like this    http   MyMachineName 4200 myTestProject http   ipv4 fiddler 4200 myTestProject          Click here for further information  lt   lt

User · Answer

Use your local IP address  not 127 0 0 1  instead would work  such as 192 16 0 88 etc  Go to cmd exe and type ipconfig and you will see it

User · Answer

To get Fiddler to capture traffic when you are debugging on local host  after you hit F5 to begin degugging change the address so that localhost has a     after it    For instance  you start debugging and the you have the following URL in the Address bar    http   localhost 49573 Default aspx   Change it to   http   localhost  49573 Default aspx   Hit enter and Fidder will start picking up your traffic

User · Answer

Using Fiddler v4 6 and the default configuration could not see any traffic from  localhost   Tried many suggestions here but nothing worked    Enabled Help -  Troubleshot and could see many more requests  Sessions were marked in a strike-through font and reason given was  Hidden due to Status Bar  Process Filter     Found this reply from Eric Lawrence to person having same problem http   www telerik com forums fiddler-not-capturing-ios-traffic-even-though-echo-service-works  basically what to do is   Look at the Status Bar across the bottom of the Fiddler window  the second little  tray  in that bar probably says something like  Web Browsers   Click that and then change to  All Processes

User · Answer

The correct answer is that it s not that Fiddler ignores traffic targeted at Localhost  but rather that most applications are hardcoded to bypass proxies  of which Fiddler is one  for requests targeted to localhost   Hence  the various workarounds available  http   fiddler2 com documentation Configure-Fiddler Tasks MonitorLocalTraffic

User · Answer

Go to Tools  Fiddler Options      select the Connections tab  then make sure Monitor all connections is ticked  Like Antony Scott said  but also make sure that the  Web Sessions  pane is set to  Capturing  and    Web Browsers  OR  All Processes      Looks like the default is  Non-Browser

User · Answer

Internet Explorer has a new feature since IE9 RC  adding  lt -loopback gt  to the proxy bypass list causes WinInet  the network library used by IE  to send requests destined for localhost and 127 0 0 1 through the defined proxy   Here s the original announcement by  EricLaw  http   blogs msdn com b fiddler archive 2011 02 10 fiddler-is-better-with-internet-explorer-9 aspx

User · Answer

Type ipconfig at the commmand prompt  It will give you your IPv4 Address  Replace localhost with your IPv4 Address in the Url when hitting the service    The traffic will show up in Fiddler under your computer s IP address

User · Answer

Fiddler v4 5 1 0 will allow you to go to replace  localhost  with  localhost fiddler   and present localhost as the host name for the receiving server running on your machine   This avoids  host not recognised  errors when connecting to WCF services with the built in web server that visual studio uses   i e  Instead of      http   localhost 51900 service wcf you can use http   localhost fiddler 51900 service wcf

User · Answer

Using Fiddler v4 6 and the default configuration could not see any traffic from  localhost   Tried many suggestions here but nothing worked    Enabled Help -  Troubleshot and could see many more requests  Sessions were marked in a strike-through font and reason given was  Hidden due to Status Bar  Process Filter     Found this reply from Eric Lawrence to person having same problem http   www telerik com forums fiddler-not-capturing-ios-traffic-even-though-echo-service-works  basically what to do is   Look at the Status Bar across the bottom of the Fiddler window  the second little  tray  in that bar probably says something like  Web Browsers   Click that and then change to  All Processes

User · Answer

Don t use localhost in the url     http   localhost 4200 myTestProject     Use like this    http   MyMachineName 4200 myTestProject http   ipv4 fiddler 4200 myTestProject          Click here for further information  lt   lt

User · Answer

For Fiddler to capture traffic from localhost on local IIS  there are 3 steps  It worked on my computer     Click Tools   Fiddler Options  Ensure Allow remote clients to connect is checked  Close Fiddler        Create a new DWORD named ReverseProxyForPort inside KEY CURRENT USER SOFTWARE Microsoft Fiddler2  Set the DWORD to port 80  choose decimal here   Restart Fiddler       Add port 8888 to the addresses defined in your client  For example         localhost 8888 MyService WebAPI v1

User · Answer

Fiddler s website addresses this question directly     There are several suggested workarounds  but the most straightforward is simply to use the machine name rather than  localhost  or  127 0 0 1    http   machinename mytestpage aspx

User · Answer

Fiddler v4 5 1 0 will allow you to go to replace  localhost  with  localhost fiddler   and present localhost as the host name for the receiving server running on your machine   This avoids  host not recognised  errors when connecting to WCF services with the built in web server that visual studio uses   i e  Instead of      http   localhost 51900 service wcf you can use http   localhost fiddler 51900 service wcf

User · Answer

Use your local IP address  not 127 0 0 1  instead would work  such as 192 16 0 88 etc  Go to cmd exe and type ipconfig and you will see it

User · Answer

Fiddler s website addresses this question directly     There are several suggested workarounds  but the most straightforward is simply to use the machine name rather than  localhost  or  127 0 0 1    http   machinename mytestpage aspx

User · Answer

The correct answer is that it s not that Fiddler ignores traffic targeted at Localhost  but rather that most applications are hardcoded to bypass proxies  of which Fiddler is one  for requests targeted to localhost   Hence  the various workarounds available  http   fiddler2 com documentation Configure-Fiddler Tasks MonitorLocalTraffic

User · Answer

You can use http   ipv4 fiddler or http   ipv6 fiddler instead of localhost

User · Answer

Internet Explorer has a new feature since IE9 RC  adding  lt -loopback gt  to the proxy bypass list causes WinInet  the network library used by IE  to send requests destined for localhost and 127 0 0 1 through the defined proxy   Here s the original announcement by  EricLaw  http   blogs msdn com b fiddler archive 2011 02 10 fiddler-is-better-with-internet-explorer-9 aspx

User · Answer

make sure Monitor all connections is ticked  it does not work for me  maybe port is diffren i need  yo see httprequest to my site from gmail my site is on win xp and iis5 my own machine

User · Answer

Fiddler s website addresses this question directly     There are several suggested workarounds  but the most straightforward is simply to use the machine name rather than  localhost  or  127 0 0 1    http   machinename mytestpage aspx

User · Answer

To get Fiddler to capture traffic when you are debugging on local host  after you hit F5 to begin degugging change the address so that localhost has a     after it    For instance  you start debugging and the you have the following URL in the Address bar    http   localhost 49573 Default aspx   Change it to   http   localhost  49573 Default aspx   Hit enter and Fidder will start picking up your traffic

User · Answer

Windows XP   Be sure to set to click the settings button for each of the items in the  Dial-up and Virtual Private Network settings  listbox in the  Connections  tab of the  Internet Options  control panel applet   I noticed that Fiddler would stop using the  LAN settings  configuration once I connected to my VPN   Even if the traffic wasn t going through the VPN

User · Answer

Type ipconfig at the commmand prompt  It will give you your IPv4 Address  Replace localhost with your IPv4 Address in the Url when hitting the service    The traffic will show up in Fiddler under your computer s IP address

User · Answer

Fiddler s website addresses this question directly     There are several suggested workarounds  but the most straightforward is simply to use the machine name rather than  localhost  or  127 0 0 1    http   machinename mytestpage aspx

User · Answer

make sure Monitor all connections is ticked  it does not work for me  maybe port is diffren i need  yo see httprequest to my site from gmail my site is on win xp and iis5 my own machine

User · Answer

For Fiddler to capture traffic from localhost on local IIS  there are 3 steps  It worked on my computer     Click Tools   Fiddler Options  Ensure Allow remote clients to connect is checked  Close Fiddler        Create a new DWORD named ReverseProxyForPort inside KEY CURRENT USER SOFTWARE Microsoft Fiddler2  Set the DWORD to port 80  choose decimal here   Restart Fiddler       Add port 8888 to the addresses defined in your client  For example         localhost 8888 MyService WebAPI v1

User · Answer

Windows XP   Be sure to set to click the settings button for each of the items in the  Dial-up and Virtual Private Network settings  listbox in the  Connections  tab of the  Internet Options  control panel applet   I noticed that Fiddler would stop using the  LAN settings  configuration once I connected to my VPN   Even if the traffic wasn t going through the VPN

[localhost] How do I get Fiddler to stop ignoring traffic to localhost?

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