diff --git a/config.h b/config.h
index 1a0e0c9a..556387f3 100644
--- a/config.h
+++ b/config.h
@@ -177,15 +177,17 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 typedef unsigned long debugflags_t;
 
+#define PORT_DNA 4110
 #define RHIZOME_HTTP_PORT 4110
 
 typedef struct binarysid { unsigned char binary[SID_SIZE]; } sid_t;
 #define SID_NONE        ((sid_t){0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})
 #define SID_BROADCAST   ((sid_t){0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff})
 
+#define INTERFACE_NAME_STRLEN   40
 struct pattern_list {
     unsigned patc;
-    char patv[16][41];
+    char patv[16][INTERFACE_NAME_STRLEN + 1];
 };
 #define PATTERN_LIST_EMPTY ((struct pattern_list){.patc = 0})
 
diff --git a/config_schema.h b/config_schema.h
index ce1d6edd..ee211bae 100644
--- a/config_schema.h
+++ b/config_schema.h
@@ -213,6 +213,14 @@ STRUCT(directory)
 ATOM(sid_t,                 service,     SID_NONE, opt_sid,, "Subscriber ID of Serval Directory Service")
 END_STRUCT
 
+STRUCT(host)
+STRING(INTERFACE_NAME_STRLEN, interface, "", opt_str_nonempty, MANDATORY, "Interface name")
+ATOM(struct in_addr,        address,    (struct in_addr){0}, opt_in_addr, MANDATORY, "Host IP address")
+ATOM(uint16_t,              port,       PORT_DNA, opt_port,, "Port number")
+END_STRUCT
+
+ARRAY_STRUCT(host_list, 32, SID_STRLEN, host, opt_str_hex_sid)
+
 STRUCT(network_interface)
 ATOM(int,                   exclude,    0, opt_boolean,, "If true, do not use matching interfaces")
 ATOM(struct pattern_list,   match,      PATTERN_LIST_EMPTY, opt_pattern_list, MANDATORY, "Names that match network interface")
@@ -232,4 +240,5 @@ SUB_STRUCT(dna,             dna,)
 NODE(debugflags_t,          debug,      0, opt_debugflags, USES_CHILDREN, "Debug flags")
 SUB_STRUCT(rhizome,         rhizome,)
 SUB_STRUCT(directory,       directory,)
+SUB_STRUCT(host_list,       hosts,)
 END_STRUCT
diff --git a/config_test.c b/config_test.c
index 6fa45a7e..8c6ed1c9 100644
--- a/config_test.c
+++ b/config_test.c
@@ -6,6 +6,7 @@
 #include <fcntl.h>
 #include <stdarg.h>
 #include <assert.h>
+#include <arpa/inet.h>
 
 #include "str.h"
 #include "strbuf.h"
@@ -412,7 +413,9 @@ int opt_str_nonempty(char *str, size_t len, const char *text);
 int opt_int(int *intp, const char *text);
 int opt_uint64_scaled(uint64_t *intp, const char *text);
 int opt_protocol(char *str, size_t len, const char *text);
+int opt_in_addr(struct in_addr *addrp, const char *text);
 int opt_port(unsigned short *portp, const char *text);
+int opt_str_hex_sid(char *sidhexp, size_t len, const char *text);
 int opt_sid(sid_t *sidp, const char *text);
 int opt_interface_type(short *typep, const char *text);
 int opt_pattern_list(struct pattern_list *listp, const char *text);
@@ -630,7 +633,7 @@ int opt_uint64_scaled(uint64_t *intp, const char *text)
   return CFOK;
 }
 
-int opt_argv_label(char *str, size_t len, const char *text)
+int opt_argv_label(char *labelp, size_t len, const char *text)
 {
   const char *s = text;
   if (isdigit(*s) && *s != '0') {
@@ -642,7 +645,7 @@ int opt_argv_label(char *str, size_t len, const char *text)
     return CFINVALID;
   if (s - text >= len)
     return CFSTRINGOVERFLOW;
-  strncpy(str, text, len - 1)[len - 1] = '\0';
+  strncpy(labelp, text, len - 1)[len - 1] = '\0';
   return CFOK;
 }
 
@@ -672,6 +675,15 @@ int vld_argv(const struct cf_om_node *parent, struct config_argv *array, int res
   return result;
 }
 
+int opt_in_addr(struct in_addr *addrp, const char *text)
+{
+  struct in_addr addr;
+  if (!inet_aton(text, &addr))
+    return CFINVALID;
+  *addrp = addr;
+  return CFOK;
+}
+
 int opt_port(unsigned short *portp, const char *text)
 {
   unsigned short port = 0;
@@ -690,6 +702,16 @@ int opt_port(unsigned short *portp, const char *text)
   return CFOK;
 }
 
+int opt_str_hex_sid(char *sidhexp, size_t len, const char *text)
+{
+  if (!str_is_subscriber_id(text))
+    return CFINVALID;
+  if (len <= SID_STRLEN)
+    return CFSTRINGOVERFLOW;
+  strncpy(sidhexp, text, SID_STRLEN)[SID_STRLEN] = '\0';
+  return CFOK;
+}
+
 int opt_sid(sid_t *sidp, const char *text)
 {
   sid_t sid;
@@ -1121,6 +1143,12 @@ int main(int argc, char **argv)
       DEBUGF("   .port = %u", config.interfaces.av[j].value.port);
       DEBUGF("   .speed = %llu", (unsigned long long) config.interfaces.av[j].value.speed);
     }
+    for (j = 0; j < config.hosts.ac; ++j) {
+      DEBUGF("config.hosts.%s", config.hosts.av[j].label);
+      DEBUGF("   .interface = %s", alloca_str(config.hosts.av[j].value.interface));
+      DEBUGF("   .address = %s", inet_ntoa(config.hosts.av[j].value.address));
+      DEBUGF("   .port = %u", config.hosts.av[j].value.port);
+    }
   }
   exit(0);
 }