If you are having issues with the bot the SAP Gateway Monitor can also be checked. You can launch this from Testimony or use transaction SMGW.
If the SAP Gateway is causing an issue the parameter gw/acl_mode should be set to 0 on the central system and the central system opened up as much as possible, if the bot now connects correctly then the restriction is the SAP Gateway security settings.
If the gw/acl_mode of the central system cannot be set as 0 the security files will need to be maintained in the SAP Gateway. The client is responsible for understanding how this is setup on their own SAP installation and this varies by SAP version, however, essentially this should be set as follows with a TP=AUT_DRONE* the bots always connect as AUT_DRONE with a suffix as a number to identify different bots. The other settings should be as wide as possible to allow the bot to connect, if other restrictions based on the clients network then those should also be configured by the client.
Note that if there are still issues with access through the SAP Gateway then there are links to the SAP documentation on the SAP Gateway and logging here.
The external security files as well as the logged on clients can be checked as shown in the example screen-shots below:
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