diff -up M2Crypto-0.20.2/M2Crypto/SSL/Connection.py.check M2Crypto-0.20.2/M2Crypto/SSL/Connection.py
--- M2Crypto-0.20.2/M2Crypto/SSL/Connection.py.check	2010-07-09 00:05:56.000000000 +0200
+++ M2Crypto-0.20.2/M2Crypto/SSL/Connection.py	2010-07-09 00:08:20.677169899 +0200
@@ -54,6 +54,10 @@ class Connection:
 
         self.ssl_close_flag = m2.bio_noclose
 
+        if self.ctx.post_connection_check is not None:
+            self.set_post_connection_check_callback \
+                (self.ctx.post_connection_check)
+
         
     def __del__(self):
         if getattr(self, 'sslbio', None):
diff -up M2Crypto-0.20.2/M2Crypto/SSL/Context.py.check M2Crypto-0.20.2/M2Crypto/SSL/Context.py
--- M2Crypto-0.20.2/M2Crypto/SSL/Context.py.check	2009-10-07 06:24:28.000000000 +0200
+++ M2Crypto-0.20.2/M2Crypto/SSL/Context.py	2010-07-09 00:06:47.551169489 +0200
@@ -36,12 +36,14 @@ class Context:
 
     m2_ssl_ctx_free = m2.ssl_ctx_free
 
-    def __init__(self, protocol='sslv23', weak_crypto=None):
+    def __init__(self, protocol='sslv23', weak_crypto=None,
+                 post_connection_check=None):
         proto = getattr(m2, protocol + '_method', None)
         if proto is None:
             raise ValueError, "no such protocol '%s'" % protocol
         self.ctx = m2.ssl_ctx_new(proto())
         self.allow_unknown_ca = 0
+        self.post_connection_check = post_connection_check
         map()[long(self.ctx)] = self
         m2.ssl_ctx_set_cache_size(self.ctx, 128L)
         if weak_crypto is None: