diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index df97b18ad7..5d4eef035e 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -4353,6 +4353,8 @@ run_test    "Authentication: server max_int chain, client default" \
             0 \
             -C "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client default" \
             "$P_SRV crt_file=data_files/dir-maxpath/c10.pem \
@@ -4361,6 +4363,8 @@ run_test    "Authentication: server max_int+1 chain, client default" \
             1 \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client optional" \
             "$P_SRV crt_file=data_files/dir-maxpath/c10.pem \
@@ -4370,6 +4374,8 @@ run_test    "Authentication: server max_int+1 chain, client optional" \
             1 \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client none" \
             "$P_SRV crt_file=data_files/dir-maxpath/c10.pem \
@@ -4379,6 +4385,8 @@ run_test    "Authentication: server max_int+1 chain, client none" \
             0 \
             -C "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server default" \
             "$P_SRV ca_file=data_files/dir-maxpath/00.crt" \
@@ -4387,6 +4395,8 @@ run_test    "Authentication: client max_int+1 chain, server default" \
             0 \
             -S "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server optional" \
             "$P_SRV ca_file=data_files/dir-maxpath/00.crt auth_mode=optional" \
@@ -4395,6 +4405,8 @@ run_test    "Authentication: client max_int+1 chain, server optional" \
             1 \
             -s "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server required" \
             "$P_SRV ca_file=data_files/dir-maxpath/00.crt auth_mode=required" \
@@ -4594,6 +4606,8 @@ run_test    "Authentication, CA callback: server max_int chain, client default"
             -c "use CA callback for X.509 CRT verification" \
             -C "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: server max_int+1 chain, client default" \
@@ -4604,6 +4618,8 @@ run_test    "Authentication, CA callback: server max_int+1 chain, client default
             -c "use CA callback for X.509 CRT verification" \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: server max_int+1 chain, client optional" \
@@ -4615,6 +4631,8 @@ run_test    "Authentication, CA callback: server max_int+1 chain, client optiona
             -c "use CA callback for X.509 CRT verification" \
             -c "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: client max_int+1 chain, server optional" \
@@ -4625,6 +4643,8 @@ run_test    "Authentication, CA callback: client max_int+1 chain, server optiona
             -s "use CA callback for X.509 CRT verification" \
             -s "X509 - A fatal error occurred"
 
+requires_config_value_at_least "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
+requires_config_value_at_most "MBEDTLS_X509_MAX_INTERMEDIATE_CA" $MAX_IM_CA
 requires_full_size_output_buffer
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 run_test    "Authentication, CA callback: client max_int+1 chain, server required" \