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Invalid TCP RST errors for banking app on iOS

Hey Sophos friends,

I am using a banking app called STARLING on iOS and every time I connect it to my network the app stops working.  After looking through logs I am getting loads of INVALID TCP RST errors:

http://cloud.photom.me/0o3K0p0D3R3A

Here is a screenshot from capture package report:

http://cloud.photom.me/2A1X1V1U233c

Packet info:

 

Ethernet Header
Source MAC Address:
Destination MAC Address:
Ethernet Type IPv4 (0x800)
 
IPv4 Header
Source IP Address:192.168.200.115
Destination IP Address:34.240.65.219
Protocol: TCP
Header:20 Bytes
Type of Service: 0
Total Length: 40 Bytes
Identification:0
Fragment Offset:16384
Time to Live: 64
Checksum: 19689
 
TCP Header:
Source Port: 50620
Destination Port: 443
Flags: RST
Sequence Number: 4257960277
Acknowledgement Number: 0
Window: 0
Checksum: 43872

 

I am a newbie with sophos xg and any help would be great!

 

Thank you in advance



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