Check point ERROR 9256: response reading failed (errno:115)(Failure when receiving data from the peer) while monitoring ftp .

Products

• CA App Synthetic Monitor

Issue/Introduction

Configured ASM ftp monitor to monitor the ftp site ,where as ftp site is accessible but getting the false alarm as below.

Environment

ASM monitor

Cause

Configuration issue . 

Resolution

To reproduce the issue > log in to the OPMS that reports the error and attempt to run the curl command from there
both for active and passive mode for example below.

passive  example

curl -v --ftp-pasv ftp://<username>:<password>@ftp url  

output should be  similar as per error message

***************************************************

• Host <ftp hostname >:21 was resolved.
• IPv6: (none)
• IPv4: xx.xx.xx
•   Trying xx.xx.xx.xx:21...
• Connected to <ftp host >(xx.xx.xx.xx) port 21

< 220-Welcome to <ABC > File Transfer - NODE 4 / SUMFT10
< 220 <ABC >File Transfer Server Ready!
> USER user1
< 331 Username OK.  Need password.
> PASS password

• response reading failed (errno: 115)
  * Closing connection
  curl: (56) response reading failed (errno: 115)

 

The suspected area is either the ftp credentials provided on monitor configuration is not correct or some restriction on the role of provided ftp user .

In case out put is ok and all configuration related details are correct > open a support case along with curl command out put and monitor configuration details ..