26 files changed, 31 insertions, 31 deletions
diff --git a/.appveyor.yml b/.appveyor.yml
index f5ea8694..df5a323c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -6,7 +6,7 @@ matrix:
   fast_finish: true
 
 install:
-  - appveyor DownloadFile http://www.winpcap.org/install/bin/WpdPack_4_1_2.zip
+  - appveyor DownloadFile https://www.winpcap.org/install/bin/WpdPack_4_1_2.zip
   - 7z x .\WpdPack_4_1_2.zip -oc:\projects\libpcap\Win32
   - appveyor DownloadFile https://nmap.org/npcap/dist/npcap-sdk-0.1.zip
   - 7z x .\npcap-sdk-0.1.zip -oc:\projects\libpcap\Win32
diff --git a/compiler-tests.h b/compiler-tests.h
index 47ec5739..4793b719 100644
--- a/compiler-tests.h
+++ b/compiler-tests.h
@@ -38,7 +38,7 @@
 /*
  * This was introduced by Clang:
  *
- *     http://clang.llvm.org/docs/LanguageExtensions.html#has-attribute
+ *     https://clang.llvm.org/docs/LanguageExtensions.html#has-attribute
  *
  * in some version (which version?); it has been picked up by GCC 5.0.
  */
diff --git a/ethertype.h b/ethertype.h
index f76f17be..109e8748 100644
--- a/ethertype.h
+++ b/ethertype.h
@@ -113,8 +113,8 @@
 #endif
 
 /* see:
-        http://en.wikipedia.org/wiki/IEEE_802.1Q
-    and http://en.wikipedia.org/wiki/QinQ
+        https://en.wikipedia.org/wiki/IEEE_802.1Q
+    and https://en.wikipedia.org/wiki/QinQ
 */
 #ifndef	ETHERTYPE_8021Q9100
 #define	ETHERTYPE_8021Q9100	0x9100
diff --git a/funcattrs.h b/funcattrs.h
index 8ac08c44..f37e07e2 100644
--- a/funcattrs.h
+++ b/funcattrs.h
@@ -45,7 +45,7 @@
 /*
  * This was introduced by Clang:
  *
- *     http://clang.llvm.org/docs/LanguageExtensions.html#has-attribute
+ *     https://clang.llvm.org/docs/LanguageExtensions.html#has-attribute
  *
  * in some version (which version?); it has been picked up by GCC 5.0.
  */
diff --git a/ip6.h b/ip6.h
index 20c004f7..8757098c 100644
--- a/ip6.h
+++ b/ip6.h
@@ -127,7 +127,7 @@ struct ip6_dest {
 	/* followed by options */
 };
 
-/* http://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xhtml */
+/* https://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xhtml */
 
 /* Option types and related macros */
 #define IP6OPT_PAD1		0x00	/* 00 0 00000 */
diff --git a/l2vpn.c b/l2vpn.c
index f6621ea5..9111cf6d 100644
--- a/l2vpn.c
+++ b/l2vpn.c
@@ -26,7 +26,7 @@
  *
  * RFC 6624
  *
- * http://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#bgp-l2-encapsulation-types-registry
+ * https://www.iana.org/assignments/bgp-parameters/bgp-parameters.xhtml#bgp-l2-encapsulation-types-registry
  */
 const struct tok l2vpn_encaps_values[] = {
     { 0, "Reserved"},
@@ -61,7 +61,7 @@ const struct tok l2vpn_encaps_values[] = {
  *
  * RFC 4446
  *
- * http://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#pwe3-parameters-2
+ * https://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#pwe3-parameters-2
  */
 const struct tok mpls_pw_types_values[] = {
     { 0x0000, "Reserved"},
diff --git a/netdissect.h b/netdissect.h
index 66ae4fad..095cbfa1 100644
--- a/netdissect.h
+++ b/netdissect.h
@@ -302,7 +302,7 @@ extern void nd_pop_all_packet_info(netdissect_options *);
  *    1) big enough for maximum-size Linux loopback packets (65549)
  *       and some USB packets captured with USBPcap:
  *
- *           http://desowin.org/usbpcap/
+ *           https://desowin.org/usbpcap/
  *
  *       (> 131072, < 262144)
  *
@@ -338,7 +338,7 @@ extern void nd_pop_all_packet_info(netdissect_options *);
  * you subtract a positive integer from a pointer, the result is
  * guaranteed to be less than the original pointer value). See
  *
- *	http://www.kb.cert.org/vuls/id/162289
+ *	https://www.kb.cert.org/vuls/id/162289
  */
 
 /*
diff --git a/oui.h b/oui.h
index 70708e2c..e876316b 100644
--- a/oui.h
+++ b/oui.h
@@ -45,7 +45,7 @@ extern const struct tok smi_values[];
  * These are SMI Network Management Private Enterprise Codes for
  * organizations; see
  *
- *	http://www.iana.org/assignments/enterprise-numbers
+ *	https://www.iana.org/assignments/enterprise-numbers
  *
  * for a list.
  *
diff --git a/print-bgp.c b/print-bgp.c
index 15734734..fe859def 100644
--- a/print-bgp.c
+++ b/print-bgp.c
@@ -442,7 +442,7 @@ static const struct tok bgp_safi_values[] = {
 #define BGP_EXT_COM_L2VPN_RT_0  0x000a  /* L2VPN Identifier,Format AS(2bytes):AN(4bytes) */
 #define BGP_EXT_COM_L2VPN_RT_1  0xF10a  /* L2VPN Identifier,Format IP address:AN(2bytes) */
 
-/* http://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a00801eb09a.shtml  */
+/* https://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a00801eb09a.shtml  */
 #define BGP_EXT_COM_EIGRP_GEN                    0x8800
 #define BGP_EXT_COM_EIGRP_METRIC_AS_DELAY        0x8801
 #define BGP_EXT_COM_EIGRP_METRIC_REL_NH_BW       0x8802
diff --git a/print-bootp.c b/print-bootp.c
index 95d5d73b..2bc8bb6b 100644
--- a/print-bootp.c
+++ b/print-bootp.c
@@ -512,7 +512,7 @@ static const struct tok tag2str[] = {
 	{ TAG_CLASSLESS_STA_RT_MS, "$Classless-Static-Route-Microsoft" },
 /* RFC 5859 - TFTP Server Address Option for DHCPv4 */
 	{ TAG_TFTP_SERVER_ADDRESS, "iTFTP-Server-Address" },
-/* http://www.iana.org/assignments/bootp-dhcp-extensions/index.htm */
+/* https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml#options */
 	{ TAG_SLP_NAMING_AUTH,	"aSLP-NA" },
 	{ TAG_CLIENT_FQDN,	"$FQDN" },
 	{ TAG_AGENT_CIRCUIT,	"$Agent-Information" },
diff --git a/print-cnfp.c b/print-cnfp.c
index 1e4e1ae1..4799ce14 100644
--- a/print-cnfp.c
+++ b/print-cnfp.c
@@ -37,7 +37,7 @@
  *
  * See
  *
- *    http://www.cisco.com/c/en/us/td/docs/net_mgmt/netflow_collection_engine/3-6/user/guide/format.html#wp1005892
+ *    https://www.cisco.com/c/en/us/td/docs/net_mgmt/netflow_collection_engine/3-6/user/guide/format.html#wp1005892
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/print-domain.c b/print-domain.c
index e83a4afe..fcd49520 100644
--- a/print-domain.c
+++ b/print-domain.c
@@ -269,7 +269,7 @@ ns_cprint(netdissect_options *ndo,
 
 extern const struct tok ns_type2str[];
 
-/* http://www.iana.org/assignments/dns-parameters */
+/* https://www.iana.org/assignments/dns-parameters */
 const struct tok ns_type2str[] = {
 	{ T_A,		"A" },			/* RFC 1035 */
 	{ T_NS,		"NS" },			/* RFC 1035 */
diff --git a/print-ether.c b/print-ether.c
index 8899469b..0454c9a7 100644
--- a/print-ether.c
+++ b/print-ether.c
@@ -289,7 +289,7 @@ recurse:
 		 * It's a type field, with the type for Alteon jumbo frames.
 		 * See
 		 *
-		 *	http://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
+		 *	https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
 		 *
 		 * which indicates that, following the type field,
 		 * there's an LLC header and payload.
diff --git a/print-forces.c b/print-forces.c
index b80306ad..9a3229dd 100644
--- a/print-forces.c
+++ b/print-forces.c
@@ -189,7 +189,7 @@ static const struct tok ForCES_LFBs[] = {
 };
 
 /* this is defined in RFC5810 section A.2 */
-/*   http://www.iana.org/assignments/forces/forces.xhtml#oper-tlv-types */
+/*   https://www.iana.org/assignments/forces/forces.xhtml#oper-tlv-types */
 enum {
 	F_OP_RSV        = 0,
 	F_OP_SET        = 1,
diff --git a/print-isoclns.c b/print-isoclns.c
index 176279c1..4ec4d6cb 100644
--- a/print-isoclns.c
+++ b/print-isoclns.c
@@ -29,7 +29,7 @@
 /*
  * specification:
  *
- * CLNP: ISO 8473 (respective ITU version is at http://www.itu.int/rec/T-REC-X.233/en/)
+ * CLNP: ISO 8473 (respective ITU version is at https://www.itu.int/rec/T-REC-X.233/en/)
  * ES-IS: ISO 9542
  * IS-IS: ISO 10589
  */
diff --git a/print-krb.c b/print-krb.c
index 5d525320..41a6126a 100644
--- a/print-krb.c
+++ b/print-krb.c
@@ -40,7 +40,7 @@
  * Kerberos Authentication and Authorization System
  * by S. P. Miller, B. C. Neuman, J. I. Schiller, and J. H. Saltzer
  *
- * http://web.mit.edu/Saltzer/www/publications/athenaplan/e.2.1.pdf
+ * https://web.mit.edu/Saltzer/www/publications/athenaplan/e.2.1.pdf
  *
  * 7. Appendix I Design Specifications
  *
diff --git a/print-loopback.c b/print-loopback.c
index a18bde2c..47535d03 100644
--- a/print-loopback.c
+++ b/print-loopback.c
@@ -29,7 +29,7 @@
 
 /*
  * originally defined as the Ethernet Configuration Testing Protocol.
- * specification: http://www.mit.edu/people/jhawk/ctp.pdf
+ * specification: https://www.mit.edu/people/jhawk/ctp.pdf
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/print-mobility.c b/print-mobility.c
index 8272664b..329f84a8 100644
--- a/print-mobility.c
+++ b/print-mobility.c
@@ -61,7 +61,7 @@ struct ip6_mobility {
 
 #define IP6M_MINLEN	8
 
-/* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml */
+/* https://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml */
 
 /* message type */
 #define IP6M_BINDING_REQUEST	0	/* Binding Refresh Request */
diff --git a/print-ppp.c b/print-ppp.c
index a1b3214f..b71f34bb 100644
--- a/print-ppp.c
+++ b/print-ppp.c
@@ -55,7 +55,7 @@
 
 /*
  * The following constants are defined by IANA. Please refer to
- *    http://www.isi.edu/in-notes/iana/assignments/ppp-numbers
+ *    https://www.isi.edu/in-notes/iana/assignments/ppp-numbers
  * for the up-to-date information.
  */
 
diff --git a/print-resp.c b/print-resp.c
index b9436685..0649c89f 100644
--- a/print-resp.c
+++ b/print-resp.c
@@ -44,7 +44,7 @@
 
 
 /*
- * For information regarding RESP, see: http://redis.io/topics/protocol
+ * For information regarding RESP, see: https://redis.io/topics/protocol
  */
 
 #define RESP_SIMPLE_STRING    '+'
diff --git a/print-sflow.c b/print-sflow.c
index 7111c708..4a8e5a97 100644
--- a/print-sflow.c
+++ b/print-sflow.c
@@ -19,7 +19,7 @@
 
 /* \summary: sFlow protocol printer */
 
-/* specification: http://www.sflow.org/developers/specifications.php */
+/* specification: https://sflow.org/developers/specifications.php */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
diff --git a/print-timed.c b/print-timed.c
index 819f0161..9940821a 100644
--- a/print-timed.c
+++ b/print-timed.c
@@ -21,7 +21,7 @@
 
 /* \summary: Berkeley UNIX Time Synchronization Protocol */
 
-/* specification: http://docs.freebsd.org/44doc/smm/12.timed/paper.pdf */
+/* specification: https://docs.freebsd.org/44doc/smm/12.timed/paper.pdf */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
diff --git a/print-vtp.c b/print-vtp.c
index 16eea5c9..bcd0bab3 100644
--- a/print-vtp.c
+++ b/print-vtp.c
@@ -13,8 +13,8 @@
  * FOR A PARTICULAR PURPOSE.
  *
  * Reference documentation:
- *  http://www.cisco.com/c/en/us/support/docs/lan-switching/vtp/10558-21.html
- *  http://docstore.mik.ua/univercd/cc/td/doc/product/lan/trsrb/frames.htm
+ *  https://www.cisco.com/c/en/us/support/docs/lan-switching/vtp/10558-21.html
+ *  https://docstore.mik.ua/univercd/cc/td/doc/product/lan/trsrb/frames.htm
  *
  * Original code ode by Carles Kishimoto <carles.kishimoto@gmail.com>
  */
@@ -281,7 +281,7 @@ vtp_print(netdissect_options *ndo,
 
                 /*
                  * Cisco specs say 2 bytes for type + 2 bytes for length;
-                 * see http://docstore.mik.ua/univercd/cc/td/doc/product/lan/trsrb/frames.htm
+                 * see https://docstore.mik.ua/univercd/cc/td/doc/product/lan/trsrb/frames.htm
                  * However, actual packets on the wire appear to use 1
                  * byte for the type and 1 byte for the length, so that's
                  * what we do.
diff --git a/print-zephyr.c b/print-zephyr.c
index 10aaf216..76351bd3 100644
--- a/print-zephyr.c
+++ b/print-zephyr.c
@@ -1,7 +1,7 @@
 /*
  * Decode and print Zephyr packets.
  *
- *	http://web.mit.edu/zephyr/doc/protocol
+ *	https://web.mit.edu/zephyr/doc/protocol
  *
  * Copyright (c) 2001 Nickolai Zeldovich <kolya@MIT.EDU>
  * All rights reserved.
diff --git a/tcpdump.1.in b/tcpdump.1.in
index 371f85ae..44d24e6f 100644
--- a/tcpdump.1.in
+++ b/tcpdump.1.in
@@ -1915,7 +1915,7 @@ stty(1), pcap(3PCAP), bpf(4), nit(4P), \%pcap-savefile(@MAN_FILE_FORMATS@),
 \%pcap-filter(@MAN_MISC_INFO@), \%pcap-tstamp(@MAN_MISC_INFO@)
 .LP
 .RS
-.I http://www.iana.org/assignments/media-types/application/vnd.tcpdump.pcap
+.I https://www.iana.org/assignments/media-types/application/vnd.tcpdump.pcap
 .RE
 .LP
 .SH AUTHORS
diff --git a/udp.h b/udp.h
index b09ca6b1..cef48b2d 100644
--- a/udp.h
+++ b/udp.h
@@ -195,7 +195,7 @@ struct udphdr {
 #define GENEVE_PORT			6081	/* draft-gross-geneve-02 */
 #endif
 #ifndef SFLOW_PORT
-#define SFLOW_PORT			6343	/* http://www.sflow.org/developers/specifications.php */
+#define SFLOW_PORT			6343	/* https://sflow.org/developers/specifications.php */
 #endif
 #ifndef BABEL_PORT
 #define BABEL_PORT			6696	/* RFC 6126 errata */