diff --git a/ckanext/datapusher_plus/config.py b/ckanext/datapusher_plus/config.py
index ad9152b..b385a99 100644
--- a/ckanext/datapusher_plus/config.py
+++ b/ckanext/datapusher_plus/config.py
@@ -47,7 +47,7 @@ class DataPusherPlusConfig(MutableMapping):
     STDERR: bool = True
     KEEP_JOBS_AGE: int = 60
 
-    MAX_CONTENT_LENGTH: str = "25600000"
+    MAX_CONTENT_LENGTH: str = "1256000000000"
     IGNORE_FILE_HASH: bool = True
     CHUNK_SIZE: str = "16384"
     DOWNLOAD_TIMEOUT: int = 300
diff --git a/ckanext/datapusher_plus/jobs.py b/ckanext/datapusher_plus/jobs.py
index 020bdd2..429f766 100644
--- a/ckanext/datapusher_plus/jobs.py
+++ b/ckanext/datapusher_plus/jobs.py
@@ -12,6 +12,7 @@
 import time
 import decimal
 from urllib.parse import urlsplit
+from urllib.parse import urlparse
 import logging
 
 # Third-party imports
@@ -445,6 +446,16 @@ def _push_to_datastore(task_id, input, dry_run=False, temp_dir=None):
         # If this is an uploaded file to CKAN, authenticate the request,
         # otherwise we won't get file from private resources
         headers["Authorization"] = api_key
+
+        # If the ckan_url differs from this url, rewrite this url to the ckan
+        # url. This can be useful if ckan is behind a firewall.
+        if not resource_url.startswith(ckan_url):
+            new_url = urlparse(resource_url)
+            rewrite_url = urlparse(ckan_url)
+            new_url = new_url._replace(scheme=rewrite_url.scheme, netloc=rewrite_url.netloc)
+            resource_url = new_url.geturl()
+            logger.info('Rewrote resource url to: {0}'.format(resource_url))
+
     try:
         kwargs = {
             "headers": headers,
diff --git a/ckanext/datapusher_plus/logic/action.py b/ckanext/datapusher_plus/logic/action.py
index ed4710b..2c4a38c 100644
--- a/ckanext/datapusher_plus/logic/action.py
+++ b/ckanext/datapusher_plus/logic/action.py
@@ -173,9 +173,9 @@ def datapusher_submit(context, data_dict: dict[str, Any]):
             'original_url': resource_dict.get('url'),
         }
     }
-    timeout = tk.config.get('ckan.datapusher.timeout', 30)
+    dp_timeout = tk.config.get('ckan.datapusher.timeout', 3000)
     try:
-        job = tk.enqueue_job(jobs.datapusher_plus_to_datastore, [data], rq_kwargs=dict(timeout=timeout))
+        job = tk.enqueue_job(jobs.datapusher_plus_to_datastore, [data], rq_kwargs=dict(timeout=dp_timeout))
     except Exception as e:
         log.error("Error submitting job to DataPusher: %s", e)
         return False
diff --git a/ckanext/datapusher_plus/migration/datapusher_plus/versions/01_e9c4a88839c8_upgrade_jobs_table.py b/ckanext/datapusher_plus/migration/datapusher_plus/versions/01_e9c4a88839c8_upgrade_jobs_table.py
index fd2a606..55c8958 100644
--- a/ckanext/datapusher_plus/migration/datapusher_plus/versions/01_e9c4a88839c8_upgrade_jobs_table.py
+++ b/ckanext/datapusher_plus/migration/datapusher_plus/versions/01_e9c4a88839c8_upgrade_jobs_table.py
@@ -5,37 +5,45 @@
 Create Date: 2023-09-22 22:14:35.137116
 
 """
+
 from alembic import op
 import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.
-revision = 'e9c4a88839c8'
+revision = "e9c4a88839c8"
 down_revision = None
 branch_labels = None
 depends_on = None
 
 
 def upgrade():
-    #upgrade jobs table if it not exists
-    
-    op.add_column(
-        u'jobs',
-        sa.Column(
-            'aps_job_id',
-            sa.UnicodeText),
-    )
-    
-    #upgrade logs table
-    op.add_column(
-        'logs',
-        sa.Column(
-            'id',
-            sa.Integer,
-            primary_key=True,
-            autoincrement=True),
-    )
-
-    
+    # upgrade jobs table if it not exists
+    if not _check_column_exists("jobs", "aps_job_id"):
+        op.add_column(
+            "jobs",
+            sa.Column("aps_job_id", sa.UnicodeText),
+        )
+    # upgrade logs table
+    if not _check_column_exists("logs", "id"):
+        op.add_column(
+            "logs",
+            sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
+        )
+
+
 def downgrade():
-    pass
+    # downgrade jobs table
+    if _check_column_exists("jobs", "aps_job_id"):
+        op.drop_column("jobs", "aps_job_id")
+
+    # downgrade logs table
+    if _check_column_exists("logs", "id"):
+        op.drop_column("logs", "id")
+
+
+def _check_column_exists(table_name, column_name):
+    bind = op.get_bind()
+    insp = sa.engine.reflection.Inspector.from_engine(bind)
+    columns = insp.get_columns(table_name)
+    return column_name in [column["name"] for column in columns]
diff --git a/dot-env.template b/dot-env.template
index 829a3a4..013139b 100644
--- a/dot-env.template
+++ b/dot-env.template
@@ -15,7 +15,7 @@ SQLALCHEMY_DATABASE_URI = 'postgresql://datapusher_jobs:YOURPASSWORD@localhost/d
 
 # =============== DOWNLOAD SETTINGS ==============
 # 25mb, this is ignored if either PREVIEW_ROWS > 0
-MAX_CONTENT_LENGTH = 25600000
+MAX_CONTENT_LENGTH = 1256000000
 
 # A Datapusher+ job is triggered automatically everytime a resource is modified (even just its metadata)
 # if its mimetype is one of the supported datapusher.formats.