tcpwrap_check Performs a tcpwrap check &reftitle.description; booltcpwrap_check stringdaemon stringaddress stringuser boolnodnsfalse This function consults the /etc/hosts.allow and /etc/hosts.deny files to check if access to service daemon should be granted or denied for a client. &reftitle.parameters; daemon The service name. address The client remote address. Can be either an IP address or a domain name. user An optional user name. nodns If address looks like domain name then DNS is used to resolve it to IP address; set nodns to &true; to avoid this. &reftitle.returnvalues; This function returns &true; if access should be granted, &false; otherwise. &reftitle.examples; If your /etc/hosts.deny file contains: And your code looks like: ]]> &reftitle.seealso; For more details please consult hosts_access(3) man page.