diff --git a/Doc/faq/extending.rst b/Doc/faq/extending.rst
index 3eafdf1..88996e4 100644
--- a/Doc/faq/extending.rst
+++ b/Doc/faq/extending.rst
@@ -53,7 +53,7 @@
 <https://riverbankcomputing.com/software/sip/intro>`__, `CXX
 <http://cxx.sourceforge.net/>`_ `Boost
 <http://www.boost.org/libs/python/doc/index.html>`_, or `Weave
-<https://scipy.github.io/devdocs/tutorial/weave.html>`_ are also
+<https://github.com/scipy/weave>`_ are also
 alternatives for wrapping C++ libraries.
 
 
diff --git a/Doc/howto/logging-cookbook.rst b/Doc/howto/logging-cookbook.rst
index 71ee417..4d2d052 100644
--- a/Doc/howto/logging-cookbook.rst
+++ b/Doc/howto/logging-cookbook.rst
@@ -941,7 +941,7 @@
 -------------------
 
 .. sectionauthor:: Doug Hellmann, Vinay Sajip (changes)
-.. (see <http://blog.doughellmann.com/2007/05/pymotw-logging.html>)
+.. (see <https://pymotw.com/3/logging/>)
 
 Sometimes you want to let a log file grow to a certain size, then open a new
 file and log to that. You may want to keep a certain number of these files, and
diff --git a/Doc/library/mailbox.rst b/Doc/library/mailbox.rst
index 81244c2..48d76a8 100644
--- a/Doc/library/mailbox.rst
+++ b/Doc/library/mailbox.rst
@@ -491,7 +491,7 @@
    `Configuring Netscape Mail on Unix: Why The Content-Length Format is Bad <https://www.jwz.org/doc/content-length.html>`_
       An argument for using the original mbox format rather than a variation.
 
-   `"mbox" is a family of several mutually incompatible mailbox formats <http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html>`_
+   `"mbox" is a family of several mutually incompatible mailbox formats <https://www.loc.gov/preservation/digital/formats/fdd/fdd000383.shtml>`_
       A history of mbox variations.
 
 
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 6122af1..b40d958 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -1374,7 +1374,7 @@
    The *capath* string, if present, is
    the path to a directory containing several CA certificates in PEM format,
    following an `OpenSSL specific layout
-   <https://www.openssl.org/docs/ssl/SSL_CTX_load_verify_locations.html>`_.
+   <https://www.openssl.org/docs/man1.1.0/ssl/SSL_CTX_load_verify_locations.html>`_.
 
    The *cadata* object, if present, is either an ASCII string of one or more
    PEM-encoded certificates or a :term:`bytes-like object` of DER-encoded
@@ -1664,7 +1664,7 @@
 
    Get statistics about the SSL sessions created or managed by this context.
    A dictionary is returned which maps the names of each `piece of information
-   <https://www.openssl.org/docs/ssl/SSL_CTX_sess_number.html>`_ to their
+   <https://www.openssl.org/docs/man1.1.0/ssl/SSL_CTX_sess_number.html>`_ to their
    numeric values.  For example, here is the total number of hits and misses
    in the session cache since the context was created::