Sorry for not informing about the changes in profile of web disp. Please find the current web disp profile.
# Profile generated by sapwebdisp bootstrap
# unique instance number
SAPSYSTEM = 65
# add default directory settings
DIR_EXECUTABLE = .
DIR_INSTANCE = .
# Accessibility of Message Servers
#rdisp/mshost = sapSXXascs.hm.com
#ms/http_port = 8174
# SECUDIR for SSL Certificate
SETENV_00 = SECUDIR=/usr/sap/SXX/sapwebdisp/sec
# SAP Web Dispatcher Parameter
wdisp/auto_refresh = 25
wdisp/max_servers = 100
wdisp/shm_attach_mode = 6
# configuration for small scenario
icm/max_conn = 100
icm/max_sockets = 1024
icm/req_queue_len = 300
icm/min_threads = 5
icm/max_threads = 15
mpi/total_size_MB = 20
#maximum number of concurrent connections to one server
wdisp/HTTP/max_pooled_con = 100
wdisp/HTTPS/max_pooled_con = 100
# SAP Web Dispatcher Ports
icm/server_port_0 = PROT=HTTP,PORT=80$$
icm/server_port_1 =
icm/server_port_2 = PROT=HTTPS,HOST=wd-SXX.hm.com,PORT=443, EXTBIND=1, TIMEOUT=60, PROCTIMEOUT=600
#-----------------------------------------------------------------------
## System Assignments
##----------------------------------------------------------------------------
wdisp/system_0 = SID=SXX, MSHOST=sapSXXascs.hm.com,MSPORT=8174,SRCSRV=wd-SXX.hm.com:443
##SSL Parameters
wdisp/ssl_encrypt=1
wdisp/ssl_certhost = wd-SXX.hm.com
wdisp/add_client_protocol_header=false
icm/HTTPS/verify_client = 0
# SAP Web Dispatcher Web Administration
icm/HTTP/admin_0 = PREFIX=/sap/wdisp/admin,DOCROOT=./admin,AUTHFILE=icmauth.txt
We are configuring web dispatcher for single systems. Backend systems no. is 74.