diff --git a/autotests/export/docbook/Linguistics.lyx b/autotests/export/docbook/Linguistics.lyx
index 4fc6c7f26a..3ddbc4b5ba 100644
--- a/autotests/export/docbook/Linguistics.lyx
+++ b/autotests/export/docbook/Linguistics.lyx
@@ -3062,7 +3062,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://mirrors.ctan.org/macros/latex/contrib/enumitem
+https://www.ctan.org/tex-archive/macros/latex/contrib/enumitem
 \end_layout
 
 \end_inset
diff --git a/development/checkurls/knownInvalidURLS b/development/checkurls/knownInvalidURLS
index 4157c712ef..63f17b56c4 100644
--- a/development/checkurls/knownInvalidURLS
+++ b/development/checkurls/knownInvalidURLS
@@ -3,3 +3,5 @@ ftp://www.test.test
 http://www.test.test
 #proto://host.xx.ab/abcd
 http://example.com/%20foo
+http://ftp.edpsciences.org/pub/aa/aa-package.zip
+http://www.istri.fr/spip/zip/CMCDDE.zip
diff --git a/lib/doc/LaTeXConfig.lyx b/lib/doc/LaTeXConfig.lyx
index 7d254b1814..f1535a9d47 100644
--- a/lib/doc/LaTeXConfig.lyx
+++ b/lib/doc/LaTeXConfig.lyx
@@ -5199,7 +5199,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://public.lanl.gov/kmh/spie/
+https://kmh-lanl.hansonhub.com/spie/
 \end_layout
 
 \end_inset
diff --git a/lib/doc/fr/Additional.lyx b/lib/doc/fr/Additional.lyx
index 4841a2f7a6..ad91ee97ee 100644
--- a/lib/doc/fr/Additional.lyx
+++ b/lib/doc/fr/Additional.lyx
@@ -33253,7 +33253,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://www.xmarks.com/site/shelob.ce.ttu.edu/daves/lpfaq/faq.html
+http://literateprogramming.com/lpfaq.pdf
 \end_layout
 
 \end_inset
diff --git a/lib/doc/ja/LaTeXConfig.lyx b/lib/doc/ja/LaTeXConfig.lyx
index 748aadd163..e129a52727 100644
--- a/lib/doc/ja/LaTeXConfig.lyx
+++ b/lib/doc/ja/LaTeXConfig.lyx
@@ -5166,7 +5166,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://public.lanl.gov/kmh/spie/
+https://kmh-lanl.hansonhub.com/spie/
 \end_layout
 
 \end_inset
diff --git a/lib/examples/Modules/Braille.lyx b/lib/examples/Modules/Braille.lyx
index ed7f977b55..a73330416c 100644
--- a/lib/examples/Modules/Braille.lyx
+++ b/lib/examples/Modules/Braille.lyx
@@ -734,7 +734,7 @@ For more informations about the Braille cell dimensions have a look at
 \begin_inset CommandInset href
 LatexCommand href
 name "https://www.brailleauthority.org/sizespacingofbraille/index.html"
-target "https://www.brailleauthority.org/sizespacingofbraille/index.html"
+target "https://www.brailleauthority.org/size-and-spacing-braille-characters"
 literal "false"
 
 \end_inset
diff --git a/lib/examples/Modules/Linguistics.lyx b/lib/examples/Modules/Linguistics.lyx
index 0393de3c77..e912a459a1 100644
--- a/lib/examples/Modules/Linguistics.lyx
+++ b/lib/examples/Modules/Linguistics.lyx
@@ -3237,7 +3237,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://mirrors.ctan.org/macros/latex/contrib/enumitem
+https://www.ctan.org/tex-archive/macros/latex/contrib/enumitem
 \end_layout
 
 \end_inset
diff --git a/lib/examples/de/Modules/Braille.lyx b/lib/examples/de/Modules/Braille.lyx
index fea4302aec..b3cc5e7440 100644
--- a/lib/examples/de/Modules/Braille.lyx
+++ b/lib/examples/de/Modules/Braille.lyx
@@ -742,7 +742,7 @@ Für mehr Informationen über die Braille-Zellendimensionen sei auf
 \begin_inset CommandInset href
 LatexCommand href
 name "https://www.brailleauthority.org/sizespacingofbraille/index.html"
-target "https://www.brailleauthority.org/sizespacingofbraille/index.html"
+target "https://www.brailleauthority.org/size-and-spacing-braille-characters"
 literal "false"
 
 \end_inset
diff --git a/lib/examples/de/Modules/Linguistics.lyx b/lib/examples/de/Modules/Linguistics.lyx
index 77081fbea7..5b4314b4f2 100644
--- a/lib/examples/de/Modules/Linguistics.lyx
+++ b/lib/examples/de/Modules/Linguistics.lyx
@@ -3259,7 +3259,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://mirrors.ctan.org/macros/latex/contrib/enumitem
+https://www.ctan.org/tex-archive/macros/latex/contrib/enumitem
 \end_layout
 
 \end_inset
diff --git a/lib/examples/es/Modules/Braille.lyx b/lib/examples/es/Modules/Braille.lyx
index fc16dc8c46..f3218c0069 100644
--- a/lib/examples/es/Modules/Braille.lyx
+++ b/lib/examples/es/Modules/Braille.lyx
@@ -767,7 +767,7 @@ Más información sobre las dimensiones de las celdas Braille en
 \begin_inset CommandInset href
 LatexCommand href
 name "https://www.brailleauthority.org/sizespacingofbraille/index.html"
-target "https://www.brailleauthority.org/sizespacingofbraille/index.html"
+target "https://www.brailleauthority.org/size-and-spacing-braille-characters"
 literal "false"
 
 \end_inset
diff --git a/lib/examples/es/Modules/Linguistics.lyx b/lib/examples/es/Modules/Linguistics.lyx
index 968e9ec877..4924e42d91 100644
--- a/lib/examples/es/Modules/Linguistics.lyx
+++ b/lib/examples/es/Modules/Linguistics.lyx
@@ -2545,7 +2545,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://mirrors.ctan.org/macros/latex/contrib/enumitem
+https://www.ctan.org/tex-archive/macros/latex/contrib/enumitem
 \end_layout
 
 \end_inset
diff --git a/lib/examples/fr/Modules/Braille.lyx b/lib/examples/fr/Modules/Braille.lyx
index 2fffbce5fa..99bbb8b7ed 100644
--- a/lib/examples/fr/Modules/Braille.lyx
+++ b/lib/examples/fr/Modules/Braille.lyx
@@ -807,7 +807,7 @@ Pour en savoir plus sur la taille des cellules Braille,
 \begin_inset CommandInset href
 LatexCommand href
 name "https://www.brailleauthority.org/sizespacingofbraille/index.html"
-target "https://www.brailleauthority.org/sizespacingofbraille/index.html"
+target "https://www.brailleauthority.org/size-and-spacing-braille-characters"
 literal "false"
 
 \end_inset
diff --git a/lib/examples/fr/Modules/Linguistics.lyx b/lib/examples/fr/Modules/Linguistics.lyx
index 147de7a271..171d7830c3 100644
--- a/lib/examples/fr/Modules/Linguistics.lyx
+++ b/lib/examples/fr/Modules/Linguistics.lyx
@@ -3285,7 +3285,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://mirrors.ctan.org/macros/latex/contrib/enumitem
+https://www.ctan.org/tex-archive/macros/latex/contrib/enumitem
 \end_layout
 
 \end_inset
diff --git a/lib/examples/ja/Modules/Braille.lyx b/lib/examples/ja/Modules/Braille.lyx
index fd44ffa002..198ee5c3dc 100644
--- a/lib/examples/ja/Modules/Braille.lyx
+++ b/lib/examples/ja/Modules/Braille.lyx
@@ -665,7 +665,7 @@ braille{#1}}
 \begin_inset CommandInset href
 LatexCommand href
 name "https://www.brailleauthority.org/sizespacingofbraille/index.html"
-target "https://www.brailleauthority.org/sizespacingofbraille/index.html"
+target "https://www.brailleauthority.org/size-and-spacing-braille-characters"
 literal "false"
 
 \end_inset
diff --git a/lib/examples/ja/Modules/Linguistics.lyx b/lib/examples/ja/Modules/Linguistics.lyx
index 6cbba2cc04..d38e3765b6 100644
--- a/lib/examples/ja/Modules/Linguistics.lyx
+++ b/lib/examples/ja/Modules/Linguistics.lyx
@@ -1575,7 +1575,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://mirrors.ctan.org/macros/latex/contrib/enumitem
+https://www.ctan.org/tex-archive/macros/latex/contrib/enumitem
 \end_layout
 
 \end_inset
diff --git a/lib/examples/sr/Modules/Braille.lyx b/lib/examples/sr/Modules/Braille.lyx
index 492fdc04a9..bf7a66a80c 100644
--- a/lib/examples/sr/Modules/Braille.lyx
+++ b/lib/examples/sr/Modules/Braille.lyx
@@ -749,7 +749,7 @@ Za više informacija o dimenziji Brajeve ćelije možete pogledi na
 \begin_inset CommandInset href
 LatexCommand href
 name "https://www.brailleauthority.org/sizespacingofbraille/index.html"
-target "https://www.brailleauthority.org/sizespacingofbraille/index.html"
+target "https://www.brailleauthority.org/size-and-spacing-braille-characters"
 literal "false"
 
 \end_inset