i can`t allow all ipv4 home_server

[تعلم البرمجة]

hello

i want allow all ipv4 home server to control coa
client 0.0.0.0/0 {
secret=123123
coa_server= example_coa
#working fine
}
home_server example_coa {
type=coa
ipaddr= * #allow all ip Not working
secret=123123

.....


}


sorry for my language english