1356143Scydiff --git a/daemon/worker.c b/daemon/worker.c 2356143Scyindex 263fcdd..f787b70 100644 3356143Scy--- a/daemon/worker.c 4356143Scy+++ b/daemon/worker.c 5356143Scy@@ -1213,6 +1213,15 @@ worker_handle_request(struct comm_point* c, void* arg, int error, 6356143Scy addr_to_str(&repinfo->addr, repinfo->addrlen, ip, sizeof(ip)); 7356143Scy log_query_in(ip, qinfo.qname, qinfo.qtype, qinfo.qclass); 8356143Scy } 9356143Scy+ 10356143Scy+ if(worker->env.cfg->drop_tld) { 11356143Scy+ int lab = dname_count_labels(qinfo.qname); 12356143Scy+ if (lab == 2) { 13356143Scy+ comm_point_drop_reply(repinfo); 14356143Scy+ verbose(VERB_ALGO, "Dropping one label query."); 15356143Scy+ return 0; 16356143Scy+ } 17356143Scy+ } 18356143Scy if(qinfo.qtype == LDNS_RR_TYPE_AXFR || 19356143Scy qinfo.qtype == LDNS_RR_TYPE_IXFR) { 20356143Scy verbose(VERB_ALGO, "worker request: refused zone transfer."); 21356143Scydiff --git a/util/config_file.h b/util/config_file.h 22356143Scyindex b3ef930..2791541 100644 23356143Scy--- a/util/config_file.h 24356143Scy+++ b/util/config_file.h 25356143Scy@@ -274,6 +274,8 @@ struct config_file { 26356143Scy int prefetch_key; 27356143Scy /** deny queries of type ANY with an empty answer */ 28356143Scy int deny_any; 29356143Scy+ /** Drop TLD queries from clients **/ 30356143Scy+ int drop_tld; 31356143Scy 32356143Scy /** chrootdir, if not "" or chroot will be done */ 33356143Scy char* chrootdir; 34356143Scydiff --git a/util/configlexer.lex b/util/configlexer.lex 35356143Scyindex a86ddf5..9bbedbb 100644 36356143Scy--- a/util/configlexer.lex 37356143Scy+++ b/util/configlexer.lex 38356143Scy@@ -299,6 +299,7 @@ private-domain{COLON} { YDVAR(1, VAR_PRIVATE_DOMAIN) } 39356143Scy prefetch-key{COLON} { YDVAR(1, VAR_PREFETCH_KEY) } 40356143Scy prefetch{COLON} { YDVAR(1, VAR_PREFETCH) } 41356143Scy deny-any{COLON} { YDVAR(1, VAR_DENY_ANY) } 42356143Scy+drop-tld{COLON} { YDVAR(1, VAR_DROP_TLD) } 43356143Scy stub-zone{COLON} { YDVAR(0, VAR_STUB_ZONE) } 44356143Scy name{COLON} { YDVAR(1, VAR_NAME) } 45356143Scy stub-addr{COLON} { YDVAR(1, VAR_STUB_ADDR) } 46356143Scydiff --git a/util/configparser.y b/util/configparser.y 47356143Scyindex 10227a2..567d68e 100644 48356143Scy--- a/util/configparser.y 49356143Scy+++ b/util/configparser.y 50356143Scy@@ -164,6 +164,7 @@ extern struct config_parser_state* cfg_parser; 51356143Scy %token VAR_FAST_SERVER_PERMIL VAR_FAST_SERVER_NUM 52356143Scy %token VAR_ALLOW_NOTIFY VAR_TLS_WIN_CERT VAR_TCP_CONNECTION_LIMIT 53356143Scy %token VAR_FORWARD_NO_CACHE VAR_STUB_NO_CACHE VAR_LOG_SERVFAIL VAR_DENY_ANY 54356143Scy+%token VAR_DROP_TLD 55356143Scy %token VAR_UNKNOWN_SERVER_TIME_LIMIT VAR_LOG_TAG_QUERYREPLY 56356143Scy %token VAR_STREAM_WAIT_SIZE VAR_TLS_CIPHERS VAR_TLS_CIPHERSUITES 57356143Scy %token VAR_TLS_SESSION_TICKET_KEYS 58356143Scy@@ -266,6 +267,7 @@ content_server: server_num_threads | server_verbosity | server_port | 59356143Scy server_tls_cert_bundle | server_tls_additional_port | server_low_rtt | 60356143Scy server_fast_server_permil | server_fast_server_num | server_tls_win_cert | 61356143Scy server_tcp_connection_limit | server_log_servfail | server_deny_any | 62356143Scy+ server_drop_tld | 63356143Scy server_unknown_server_time_limit | server_log_tag_queryreply | 64356143Scy server_stream_wait_size | server_tls_ciphers | 65356143Scy server_tls_ciphersuites | server_tls_session_ticket_keys 66356143Scy@@ -1466,6 +1468,16 @@ server_deny_any: VAR_DENY_ANY STRING_ARG 67356143Scy free($2); 68356143Scy } 69356143Scy ; 70356143Scy+ 71356143Scy+server_drop_tld: VAR_DROP_TLD STRING_ARG 72356143Scy+ { 73356143Scy+ OUTYY(("P(server_drop_tld:%s)\n", $2)); 74356143Scy+ if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0) 75356143Scy+ yyerror("expected yes or no."); 76356143Scy+ else cfg_parser->cfg->drop_tld = (strcmp($2, "yes")==0); 77356143Scy+ free($2); 78356143Scy+ } 79356143Scy+ ; 80356143Scy server_unwanted_reply_threshold: VAR_UNWANTED_REPLY_THRESHOLD STRING_ARG 81356143Scy { 82356143Scy OUTYY(("P(server_unwanted_reply_threshold:%s)\n", $2)); 83