private String getForwardingNamedFile() {
StringBuilder sb =
new StringBuilder()
.append("// Forwarding and Caching Name Server Configuration\n")
.append("options {\n")
.append("\tdirectory \"/var/named\";\n")
.append("\tversion \"not currently available\";\n")
.append("\tforwarders {");
Set<IP4Address> forwarders = m_dnsServerConfigIP4.getForwarders();
for (IP4Address forwarder : forwarders) {
sb.append(forwarder.getHostAddress()).append(";");
}
sb.append("};\n");
sb.append("\tforward only;\n")
.append("\tallow-transfer{\"none\";};\n")
.append("\tallow-query {");
Set<NetworkPair<IP4Address>> allowedNetworks = m_dnsServerConfigIP4.getAllowedNetworks();
for (NetworkPair<IP4Address> pair : allowedNetworks) {
sb.append(pair.getIpAddress().getHostAddress())
.append("/")
.append(pair.getPrefix())
.append(";");
}
sb.append("};\n");
sb.append("\tmax-cache-ttl 30;\n");
sb.append("\tmax-ncache-ttl 30;\n");
sb.append("};\n")
.append("logging{\n")
.append("\tchannel named_log {\n")
.append("\t\tfile \"")
.append(s_logFileName)
.append("\" versions 3;\n")
.append("\t\tseverity info;\n")
.append("\t\tprint-severity yes;\n")
.append("\t\tprint-time yes;\n")
.append("\t\tprint-category yes;\n")
.append("\t};\n")
.append("\tcategory default{\n")
.append("\t\tnamed_log;\n")
.append("\t};\n")
.append("};\n")
.append("zone \".\" IN {\n")
.append("\ttype hint;\n")
.append("\tfile \"named.ca\";\n")
.append("};\n")
.append("include \"")
.append(s_rfc1912ZonesFilename)
.append("\";\n");
return sb.toString();
}
