SWPM - homogenous system copy - SAP-Gateway (SMGW) security issue

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we ran a homogenous system copy (with SWPM - 70SWPM10SP04 + SL-Controller 700 for SWPM-SP04)

the source-system is ECC-606 (NW-7.03) and we recognized this issue:

in the source-system, we did not set (in the default-profile) this attribute (gw/acl_mode) yet,

and (because of NW-7.03 ? , the default-value in RZ11 is shown: gw/acl_mode = 0 )

but

in the target-system (result of system copy) the default profile contains this new entry:

gw/acl_mode = 1

and also in RZ11 the default-value has changed to: gw/acl_mode = 1

maybe the system-copy routine of SWPM contains something from NW-7.31 instead of NW-7.03 ??

and

in higher NW-releases the default-value of gw/acl_mode = changes from = 0 to = 1 ???

so several RFC HTTP Connections with PGM-ID did not work 😔

it took some time of analysation to locate this issue and how to resolve this.

we normally expect that system-copy runs an 1:1 without such changes in behaviour.