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SAP WebDispatcher configuration for Portal access on Public IP

Dear friends,

I've a requirement to access SAP EP through a public IP. In our scenario SAP Web Dispatcher is located in DMZ and rest all SAP systems are in MZ.

We have registered a domain name (couple of weeks ago) and binding has been done with the public IP address. Natting has been done between Public IP and private IP of SAP Web Dispatcher. When we are trying to access the portal now using public IP address it doesn't bring any page rather gives error:

This site can’t be reached

202.100.196.244 refused to connect.

ERR_CONNECTION_REFUSED

Below is our Web dispatcher config file contents, kindly suggest if there is something wrong with this:

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

SAPGLOBALHOST = SAPWDP01

SAPSYSTEM = 00

INSTANCE_NAME = W00

DIR_CT_RUN = $(DIR_EXE_ROOT)\$(OS_UNICODE)\NTAMD64

DIR_EXECUTABLE = $(DIR_CT_RUN)

DIR_PROFILE = $(DIR_INSTALL)\profile

_PF = $(DIR_PROFILE)\WDP_W00_SAPWDP01

SETENV_00 = PATH=$(DIR_EXECUTABLE);%PATH%

#-----------------------------------------------------------------------

# Accesssability of Message Server

#-----------------------------------------------------------------------

wdisp/system_0 = SID=EPP, MSHOST=EPPVS01.ENGPL.com, MSPORT=8100,

#-----------------------------------------------------------------------

# Back-end system configuration

#-----------------------------------------------------------------------

wdisp/system_0 = SID=EPP, MSHOST=EPPVS01, MSPORT=8100, SRCVHOST=EPPVS01.ENGPL.com

#-----------------------------------------------------------------------

# Configuration of maximum number of concurrent connections

#-----------------------------------------------------------------------

icm/max_conn = 2000

#-----------------------------------------------------------------------

# Tuning parameters that usually do not need to be adjusted

#-----------------------------------------------------------------------

icm/max_sockets = ($(icm/max_conn) * 2)

icm/max_conn = 16384

icm/max_sockets = 16384

icm/req_queue_len = 6000

icm/min_threads = 100

icm/max_threads = 250

mpi/total_size_MB = (min(0.06 * $(icm/max_conn) + 50, 2000))

mpi/max_pipes = ($(icm/max_conn) * 2)

wdisp/HTTP/max_pooled_con = ($(icm/max_conn))

wdisp/HTTPS/max_pooled_con = ($(icm/max_conn))

ssl/server_cache_size = (min($(icm/max_conn) * 4, 100000))

#-----------------------------------------------------------------------

# SAP Web Dispatcher Ports

#-----------------------------------------------------------------------

icm/server_port_0 = PROT=HTTPS,PORT=443$$

icm/server_port_1 = PROT=HTTP,HOST=SAPWDP01,PORT=81$$

icm/server_port_2 = PROT=HTTP,HOST=EPPVS01,PORT=81$$

icm/server_port_3 = PROT=HTTP,HOST=localhost,PORT=81$$

#-----------------------------------------------------------------------

# SAP Web Dispatcher Administration

#-----------------------------------------------------------------------

icm/HTTP/admin_0 = PREFIX=/sap/wdisp/admin,DOCROOT=$(DIR_DATA)$(DIR_SEP)icmandir,AUTHFILE=$(icm/authfile)

#-----------------------------------------------------------------------

# Start webdispatcher

#-----------------------------------------------------------------------

_WD = $(DIR_EXECUTABLE)\sapwebdisp$(FT_EXE)

Restart_Program_00 = local $(_WD) pf=$(_PF)

SETENV_01 = SECUDIR=$(DIR_INSTANCE)/sec

icm/HTTP/redirect_00 = PREFIX=/,FROM=*.gov.in*,FROMPROT=HTTP,FOR=EPPVS01.ENGPL.com:50100,PROT=HTTP,HOST=EPPVS01, PORT=50100

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Kindly help, thanks in advance

SUJIT

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