diff --git a/development/checkurls/inaccessibleURLS b/development/checkurls/inaccessibleURLS
index 780dc33577..f54f843538 100644
--- a/development/checkurls/inaccessibleURLS
+++ b/development/checkurls/inaccessibleURLS
@@ -1,8 +1,3 @@
-# Cannot connect to trick.ntp.springer.de
-ftp://trick.ntp.springer.de/pub/tex/latex/llncs/latex2e
-# file/directory not found
-ftp://www.ctan.org/pub/tex-archive/macros/latex2e/contrib/fancyhdr/fancyhdr.pdf
-ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/caption/caption.pdf
 #Net::HTTP: Bad hostname 'math.tulane.edu'
 http://math.tulane.edu/~entcs/
 # Net::HTTP: Bad hostname 'media.texample.net'
diff --git a/lib/doc/LaTeXConfig.lyx b/lib/doc/LaTeXConfig.lyx
index 53a123b1b8..a537887188 100644
--- a/lib/doc/LaTeXConfig.lyx
+++ b/lib/doc/LaTeXConfig.lyx
@@ -3696,7 +3696,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-ftp://trick.ntp.springer.de/pub/tex/latex/llncs/latex2e
+ftp://ftp.springer.de/pub/tex/latex/llncs/latex2e
 \end_layout
 
 \end_inset
diff --git a/lib/doc/id/UserGuide.lyx b/lib/doc/id/UserGuide.lyx
index 3c05f0cab4..a03d44d924 100644
--- a/lib/doc/id/UserGuide.lyx
+++ b/lib/doc/id/UserGuide.lyx
@@ -47769,7 +47769,7 @@ key "caption"
 \begin_inset CommandInset href
 LatexCommand href
 name "Documentation"
-target "ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/caption/caption.pdf"
+target "http://mirrors.ctan.org/macros/latex/contrib/caption/caption-eng.pdf"
 
 \end_inset
 
@@ -47797,7 +47797,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/caption/caption.pdf
+http://mirrors.ctan.org/macros/latex/contrib/caption/caption-eng.pdf
 \end_layout
 
 \end_inset
diff --git a/lib/doc/ja/LaTeXConfig.lyx b/lib/doc/ja/LaTeXConfig.lyx
index c40d87a62b..fe2ea9fd58 100644
--- a/lib/doc/ja/LaTeXConfig.lyx
+++ b/lib/doc/ja/LaTeXConfig.lyx
@@ -3376,7 +3376,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-ftp://trick.ntp.springer.de/pub/tex/latex/llncs/latex2e
+ftp://ftp.springer.de/pub/tex/latex/llncs/latex2e
 \end_layout
 
 \end_inset
diff --git a/lib/examples/pt/splash.lyx b/lib/examples/pt/splash.lyx
index 5b80249a80..0bf68feb71 100644
--- a/lib/examples/pt/splash.lyx
+++ b/lib/examples/pt/splash.lyx
@@ -168,7 +168,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-htp://www.lyx.org
+http://www.lyx.org
 \end_layout
 
 \end_inset
diff --git a/lib/examples/thesis/thesis.lyx b/lib/examples/thesis/thesis.lyx
index 1d6b00529a..8e269c5c66 100644
--- a/lib/examples/thesis/thesis.lyx
+++ b/lib/examples/thesis/thesis.lyx
@@ -47,7 +47,7 @@
 
 % fancy page header/footer settings
 % for more information see section 9 of
-% ftp://www.ctan.org/pub/tex-archive/macros/latex2e/contrib/fancyhdr/fancyhdr.pdf
+% http://www.ctan.org/tex-archive/macros/latex/contrib/fancyhdr/fancyhdr.pdf
 \renewcommand{\chaptermark}[1]{\markboth{#1}{#1}}
 \renewcommand{\sectionmark}[1]{\markright{\thesection\ #1}}
 
@@ -499,7 +499,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-ftp://www.ctan.org/pub/tex-archive/macros/latex2e/contrib/fancyhdr/fancyhdr.pdf
+http://www.ctan.org/tex-archive/macros/latex/contrib/fancyhdr/fancyhdr.pdf
 \end_layout
 
 \end_inset