diff --git a/plugins/gcc4/gcc4-overlay.mk b/plugins/gcc4/gcc4-overlay.mk
index 5c0fe686..15849346 100644
--- a/plugins/gcc4/gcc4-overlay.mk
+++ b/plugins/gcc4/gcc4-overlay.mk
@@ -18,5 +18,5 @@ $(PKG)_VERSION  := 0.12.2
 $(PKG)_CHECKSUM := f4b3dbee9712850006e44f0db2103441ab3d13b406f77996d1df19ee89d11fb4
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := http://isl.gforge.inria.fr/$($(PKG)_FILE)
+$(PKG)_URL      := https://isl.gforge.inria.fr/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://gcc.gnu.org/pub/gcc/infrastructure/$($(PKG)_FILE)
diff --git a/plugins/gcc6/gcc6-overlay.mk b/plugins/gcc6/gcc6-overlay.mk
index 8416d46d..611f4c4e 100644
--- a/plugins/gcc6/gcc6-overlay.mk
+++ b/plugins/gcc6/gcc6-overlay.mk
@@ -13,7 +13,7 @@ $(PKG)_VERSION  := 0.16.1
 $(PKG)_CHECKSUM := 412538bb65c799ac98e17e8cfcdacbb257a57362acfaaff254b0fcae970126d2
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := http://isl.gforge.inria.fr/$($(PKG)_FILE)
+$(PKG)_URL      := https://isl.gforge.inria.fr/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://gcc.gnu.org/pub/gcc/infrastructure/$($(PKG)_FILE)
 
 PKG             := gcc
diff --git a/plugins/gcc7/gcc7-overlay.mk b/plugins/gcc7/gcc7-overlay.mk
index 0ea1ca41..fc392b64 100644
--- a/plugins/gcc7/gcc7-overlay.mk
+++ b/plugins/gcc7/gcc7-overlay.mk
@@ -13,7 +13,7 @@ $(PKG)_VERSION  := 0.16.1
 $(PKG)_CHECKSUM := 412538bb65c799ac98e17e8cfcdacbb257a57362acfaaff254b0fcae970126d2
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := http://isl.gforge.inria.fr/$($(PKG)_FILE)
+$(PKG)_URL      := https://isl.gforge.inria.fr/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://gcc.gnu.org/pub/gcc/infrastructure/$($(PKG)_FILE)
 
 PKG             := gcc
diff --git a/plugins/gcc8/gcc8-overlay.mk b/plugins/gcc8/gcc8-overlay.mk
index b8d75292..1ebdae77 100644
--- a/plugins/gcc8/gcc8-overlay.mk
+++ b/plugins/gcc8/gcc8-overlay.mk
@@ -13,7 +13,7 @@ $(PKG)_VERSION  := 0.16.1
 $(PKG)_CHECKSUM := 412538bb65c799ac98e17e8cfcdacbb257a57362acfaaff254b0fcae970126d2
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := http://isl.gforge.inria.fr/$($(PKG)_FILE)
+$(PKG)_URL      := https://isl.gforge.inria.fr/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://gcc.gnu.org/pub/gcc/infrastructure/$($(PKG)_FILE)
 
 PKG             := gcc
diff --git a/plugins/gcc9/gcc9-overlay.mk b/plugins/gcc9/gcc9-overlay.mk
index b27bb6d9..603b9f1a 100644
--- a/plugins/gcc9/gcc9-overlay.mk
+++ b/plugins/gcc9/gcc9-overlay.mk
@@ -13,7 +13,7 @@ $(PKG)_VERSION  := 0.16.1
 $(PKG)_CHECKSUM := 412538bb65c799ac98e17e8cfcdacbb257a57362acfaaff254b0fcae970126d2
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := http://isl.gforge.inria.fr/$($(PKG)_FILE)
+$(PKG)_URL      := https://isl.gforge.inria.fr/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://gcc.gnu.org/pub/gcc/infrastructure/$($(PKG)_FILE)
 
 PKG             := gcc
diff --git a/plugins/luarocks/lpeg.mk b/plugins/luarocks/lpeg.mk
index 00bd4d32..74b14346 100644
--- a/plugins/luarocks/lpeg.mk
+++ b/plugins/luarocks/lpeg.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := lpeg
-$(PKG)_WEBSITE  := http://www.inf.puc-rio.br/~roberto/lpeg/lpeg.html
+$(PKG)_WEBSITE  := http://www.inf.puc-rio.br/~roberto/lpeg/
 $(PKG)_OWNER    := https://github.com/starius
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 1.0.1
diff --git a/src/agg.mk b/src/agg.mk
index 58265e54..c6f97418 100644
--- a/src/agg.mk
+++ b/src/agg.mk
@@ -1,20 +1,20 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := agg
-$(PKG)_WEBSITE  := https://agg.sourceforge.io/
+$(PKG)_WEBSITE  := https://antigrain.com/
 $(PKG)_DESCR    := Anti-Grain Geometry
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 2.5
 $(PKG)_CHECKSUM := ab1edc54cc32ba51a62ff120d501eecd55fceeedf869b9354e7e13812289911f
 $(PKG)_SUBDIR   := agg-$($(PKG)_VERSION)
 $(PKG)_FILE     := agg-$($(PKG)_VERSION).tar.gz
-$(PKG)_URL      := http://www.antigrain.com/$($(PKG)_FILE)
+$(PKG)_URL      := https://antigrain.com/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://web.archive.org/web/20170111090029/www.antigrain.com/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc freetype sdl
 
 define $(PKG)_UPDATE
-    $(WGET) -q -O- 'http://www.antigrain.com/download/index.html' | \
-    $(SED) -n 's,.*<A href="http://www.antigrain.com/agg-\([0-9.]*\).tar.gz".*,\1,p' | \
+    $(WGET) -q -O- 'https://antigrain.com/download/index.html' | \
+    $(SED) -n 's,.*<A href="https://antigrain.com/agg-\([0-9.]*\).tar.gz".*,\1,p' | \
     head -1
 endef
 
diff --git a/src/apr-util.mk b/src/apr-util.mk
index 037d177c..a81562d8 100644
--- a/src/apr-util.mk
+++ b/src/apr-util.mk
@@ -9,7 +9,7 @@ $(PKG)_CHECKSUM := 976a12a59bc286d634a21d7be0841cc74289ea9077aa1af46be19d1a6e844
 $(PKG)_SUBDIR   := apr-util-$($(PKG)_VERSION)
 $(PKG)_FILE     := apr-util-$($(PKG)_VERSION).tar.gz
 $(PKG)_URL      := https://archive.apache.org/dist/apr/$($(PKG)_FILE)
-$(PKG)_URL_2    := http://mirror.apache-kr.org/apr/$($(PKG)_FILE)
+$(PKG)_URL_2    := https://www.apache.org/dist/apr/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc apr expat libiconv
 
 define $(PKG)_UPDATE
diff --git a/src/apr.mk b/src/apr.mk
index 825c6570..acd73e80 100644
--- a/src/apr.mk
+++ b/src/apr.mk
@@ -9,7 +9,7 @@ $(PKG)_CHECKSUM := 1af06e1720a58851d90694a984af18355b65bb0d047be03ec7d659c746d6d
 $(PKG)_SUBDIR   := apr-$($(PKG)_VERSION)
 $(PKG)_FILE     := apr-$($(PKG)_VERSION).tar.gz
 $(PKG)_URL      := https://archive.apache.org/dist/apr/$($(PKG)_FILE)
-$(PKG)_URL_2    := http://mirror.apache-kr.org/apr/$($(PKG)_FILE)
+$(PKG)_URL_2    := https://www.apache.org/dist/apr/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc
 
 define $(PKG)_UPDATE
diff --git a/src/freetds.mk b/src/freetds.mk
index 646e81bd..5a948a03 100644
--- a/src/freetds.mk
+++ b/src/freetds.mk
@@ -1,19 +1,19 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := freetds
-$(PKG)_WEBSITE  := http://www.freetds.org/
+$(PKG)_WEBSITE  := https://www.freetds.org/
 $(PKG)_DESCR    := FreeTDS
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 1.1.14
 $(PKG)_CHECKSUM := 2121cf5c4f34c9e1ea122ab24d454e7388c51bbf662c9a92a137f857a8cfb74d
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := ftp://ftp.freetds.org/pub/$(PKG)/stable/$($(PKG)_FILE)
+$(PKG)_URL      := https://www.freetds.org/files/stable/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://fossies.org/linux/privat/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc openssl libiconv
 
 define $(PKG)_UPDATE
-    $(WGET) -q -O- 'ftp://ftp.freetds.org/pub/freetds/stable/' | \
+    $(WGET) -q -O- 'https://www.freetds.org/files/stable/' | \
     $(SED) -n 's,.*freetds-\([0-9.]*\)\.tar.*,\1,p' | \
     $(SORT) -V | \
     tail -1
diff --git a/src/hamlib.mk b/src/hamlib.mk
index b4371cd8..faaea16a 100644
--- a/src/hamlib.mk
+++ b/src/hamlib.mk
@@ -1,9 +1,9 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
-# visit http://hamlib.org or https://github.com/N0NB/hamlib
+# visit https://hamlib.github.io/ or https://github.com/N0NB/hamlib
 # 2016-12-24 Lars Holger Engelhard DL5RCW
 
 PKG             := hamlib
-$(PKG)_WEBSITE  := http://www.hamlib.org/
+$(PKG)_WEBSITE  := https://hamlib.github.io/
 $(PKG)_DESCR    := HamLib
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 3.3
diff --git a/src/hdf-eos2.mk b/src/hdf-eos2.mk
index b126e264..99c22d48 100644
--- a/src/hdf-eos2.mk
+++ b/src/hdf-eos2.mk
@@ -4,11 +4,11 @@ PKG             := hdf-eos2
 $(PKG)_WEBSITE  := https://hdfeos.org/software/library.php
 $(PKG)_DESCR    := HDF-EOS2
 $(PKG)_IGNORE   :=
-$(PKG)_VERSION  := 19v1.00
-$(PKG)_CHECKSUM := 3fffa081466e85d2b9436d984bc44fe97bbb33ad9d8b7055a322095dc4672e31
+$(PKG)_VERSION  := 20v1.00
+$(PKG)_CHECKSUM := cb0f900d2732ab01e51284d6c9e90d0e852d61bba9bce3b43af0430ab5414903
 $(PKG)_SUBDIR   := hdfeos
 $(PKG)_FILE     := HDF-EOS2.$($(PKG)_VERSION).tar.Z
-$(PKG)_URL      := ftp://edhs1.gsfc.nasa.gov/edhs/hdfeos/latest_release/$($(PKG)_FILE)
+$(PKG)_URL      := https://observer.gsfc.nasa.gov/ftp/edhs/hdfeos/latest_release/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc hdf4
 
 define $(PKG)_UPDATE
diff --git a/src/hdf-eos5.mk b/src/hdf-eos5.mk
index e9539908..ce269242 100644
--- a/src/hdf-eos5.mk
+++ b/src/hdf-eos5.mk
@@ -4,11 +4,11 @@ PKG             := hdf-eos5
 $(PKG)_WEBSITE  := https://hdfeos.org/software/library.php
 $(PKG)_DESCR    := HDF-EOS5
 $(PKG)_IGNORE   :=
-$(PKG)_VERSION  := 1.15
-$(PKG)_CHECKSUM := 119588067abf139c1c600a4519b880d04a3933049576c88acdc8ff6fc71803dd
+$(PKG)_VERSION  := 1.16
+$(PKG)_CHECKSUM := 7054de24b90b6d9533329ef8dc89912c5227c83fb447792103279364e13dd452
 $(PKG)_SUBDIR   := hdfeos5
 $(PKG)_FILE     := HDF-EOS5.$($(PKG)_VERSION).tar.Z
-$(PKG)_URL      := ftp://edhs1.gsfc.nasa.gov/edhs/hdfeos5/latest_release/$($(PKG)_FILE)
+$(PKG)_URL      := https://observer.gsfc.nasa.gov/ftp/edhs/hdfeos5/latest_release/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc hdf5
 
 define $(PKG)_UPDATE
diff --git a/src/isl.mk b/src/isl.mk
index 072618f8..cea2ead3 100644
--- a/src/isl.mk
+++ b/src/isl.mk
@@ -8,7 +8,7 @@ $(PKG)_VERSION  := 0.15
 $(PKG)_CHECKSUM := 8ceebbf4d9a81afa2b4449113cee4b7cb14a687d7a549a963deb5e2a41458b6b
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
-$(PKG)_URL      := http://isl.gforge.inria.fr/$($(PKG)_FILE)
+$(PKG)_URL      := https://isl.gforge.inria.fr/$($(PKG)_FILE)
 $(PKG)_URL_2    := https://gcc.gnu.org/pub/gcc/infrastructure/$($(PKG)_FILE)
 $(PKG)_TARGETS  := $(BUILD) $(MXE_TARGETS)
 $(PKG)_DEPS     := cc gmp
diff --git a/src/libxml2.mk b/src/libxml2.mk
index 7e79bbe7..d359e196 100644
--- a/src/libxml2.mk
+++ b/src/libxml2.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := libxml2
-$(PKG)_WEBSITE  := http://www.xmlsoft.org/
+$(PKG)_WEBSITE  := http://xmlsoft.org/
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 2.9.9
 $(PKG)_CHECKSUM := 94fb70890143e3c6549f265cee93ec064c80a84c42ad0f23e85ee1fd6540a871
diff --git a/src/log4cxx.mk b/src/log4cxx.mk
index 10aa5c7d..f20ad5d6 100644
--- a/src/log4cxx.mk
+++ b/src/log4cxx.mk
@@ -7,8 +7,8 @@ $(PKG)_VERSION  := 0.10.0
 $(PKG)_CHECKSUM := 0de0396220a9566a580166e66b39674cb40efd2176f52ad2c65486c99c920c8c
 $(PKG)_SUBDIR   := apache-log4cxx-$($(PKG)_VERSION)
 $(PKG)_FILE     := $($(PKG)_SUBDIR).tar.gz
-$(PKG)_URL      := https://www.apache.org/dist/logging/log4cxx/$($(PKG)_VERSION)/$($(PKG)_FILE)
-$(PKG)_URL_2    := https://archive.apache.org/dist/logging/log4cxx/$($(PKG)_VERSION)/$($(PKG)_FILE)
+$(PKG)_URL      := https://archive.apache.org/dist/logging/log4cxx/$($(PKG)_VERSION)/$($(PKG)_FILE)
+$(PKG)_URL_2    := https://www.apache.org/dist/logging/log4cxx/$($(PKG)_VERSION)/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc apr-util
 
 define $(PKG)_UPDATE
diff --git a/src/popt.mk b/src/popt.mk
index ad9280df..03436256 100644
--- a/src/popt.mk
+++ b/src/popt.mk
@@ -1,18 +1,17 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := popt
-$(PKG)_WEBSITE  := http://freshmeat.net/projects/popt/
+$(PKG)_WEBSITE  := https://web.archive.org/web/20190425081726/rpm5.org/
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 1.16
 $(PKG)_CHECKSUM := e728ed296fe9f069a0e005003c3d6b2dde3d9cad453422a10d6558616d304cc8
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.gz
-$(PKG)_URL      := http://rpm5.org/files/popt/$($(PKG)_FILE)
-$(PKG)_URL_2    := https://deb.debian.org/debian/pool/main/p/$(PKG)/$(PKG)_$($(PKG)_VERSION).orig.tar.gz
+$(PKG)_URL      := https://deb.debian.org/debian/pool/main/p/$(PKG)/$(PKG)_$($(PKG)_VERSION).orig.tar.gz
 $(PKG)_DEPS     := cc gettext libiconv
 
 define $(PKG)_UPDATE
-    $(WGET) -q -O- 'http://rpm5.org/files/popt/' | \
+    $(WGET) -q -O- 'https://web.archive.org/web/20170922140539/rpm5.org/files/popt/' | \
     grep 'popt-' | \
     $(SED) -n 's,.*popt-\([0-9][^>]*\)\.tar.*,\1,p' | \
     tail -1
diff --git a/src/subversion.mk b/src/subversion.mk
index 80becf08..fe9d14ea 100644
--- a/src/subversion.mk
+++ b/src/subversion.mk
@@ -8,7 +8,7 @@ $(PKG)_CHECKSUM := c3b118333ce12e501d509e66bb0a47bcc34d053990acab45559431ac3e491
 $(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.bz2
 $(PKG)_URL      := https://archive.apache.org/dist/subversion/$($(PKG)_FILE)
-$(PKG)_URL_2    := http://mirror.23media.de/apache/$(PKG)/$($(PKG)_FILE)
+$(PKG)_URL_2    := https://www.apache.org/dist/subversion/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc apr apr-util openssl sqlite
 
 define $(PKG)_UPDATE
diff --git a/src/x265.mk b/src/x265.mk
index b0d85335..3b0329e0 100644
--- a/src/x265.mk
+++ b/src/x265.mk
@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := x265
-$(PKG)_WEBSITE  := http://x265.org
+$(PKG)_WEBSITE  := http://x265.org/
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 2.4
 $(PKG)_CHECKSUM := 9c2aa718d78f6fecdd783f08ab83b98d3169e5f670404da4c16439306907d729