diff --git a/moto/ec2/models/security_groups.py b/moto/ec2/models/security_groups.py
index 5cd32ee58..1f19ce8a7 100644
--- a/moto/ec2/models/security_groups.py
+++ b/moto/ec2/models/security_groups.py
@@ -36,16 +36,18 @@ class SecurityRule:
         ip_ranges: Optional[List[Any]],
         source_groups: List[Dict[str, Any]],
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        is_egress: bool = True,
     ):
         self.account_id = account_id
         self.id = random_security_group_rule_id()
-        self.ip_protocol = str(ip_protocol)
+        self.ip_protocol = str(ip_protocol) if ip_protocol else None
         self.ip_ranges = ip_ranges or []
         self.source_groups = source_groups or []
         self.prefix_list_ids = prefix_list_ids or []
         self.from_port = self.to_port = None
+        self.is_egress = is_egress
 
-        if self.ip_protocol != "-1":
+        if self.ip_protocol and self.ip_protocol != "-1":
             self.from_port = int(from_port)  # type: ignore[arg-type]
             self.to_port = int(to_port)  # type: ignore[arg-type]
 
@@ -65,7 +67,11 @@ class SecurityRule:
             "1": "icmp",
             "icmp": "icmp",
         }
-        proto = ip_protocol_keywords.get(self.ip_protocol.lower())
+        proto = (
+            ip_protocol_keywords.get(self.ip_protocol.lower())
+            if self.ip_protocol
+            else None
+        )
         self.ip_protocol = proto if proto else self.ip_protocol
 
     @property
@@ -629,6 +635,7 @@ class SecurityGroupBackend:
         ip_ranges: List[Any],
         source_groups: Optional[List[Dict[str, str]]] = None,
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        security_rule_ids: Optional[List[str]] = None,  # pylint:disable=unused-argument
         vpc_id: Optional[str] = None,
     ) -> Tuple[SecurityRule, SecurityGroup]:
         group = self.get_security_group_by_name_or_id(group_name_or_id, vpc_id)
@@ -669,6 +676,7 @@ class SecurityGroupBackend:
             ip_ranges,
             _source_groups,
             prefix_list_ids,
+            is_egress=False,
         )
 
         if security_rule in group.ingress_rules:
@@ -717,11 +725,18 @@ class SecurityGroupBackend:
         ip_ranges: List[Any],
         source_groups: Optional[List[Dict[str, Any]]] = None,
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        security_rule_ids: Optional[List[str]] = None,
         vpc_id: Optional[str] = None,
-    ) -> SecurityRule:
+    ) -> None:
 
         group: SecurityGroup = self.get_security_group_by_name_or_id(group_name_or_id, vpc_id)  # type: ignore[assignment]
 
+        if security_rule_ids:
+            group.ingress_rules = [
+                rule for rule in group.egress_rules if rule.id not in security_rule_ids
+            ]
+            return
+
         _source_groups = self._add_source_group(source_groups, vpc_id)
 
         security_rule = SecurityRule(
@@ -732,6 +747,7 @@ class SecurityGroupBackend:
             ip_ranges,
             _source_groups,
             prefix_list_ids,
+            is_egress=False,
         )
 
         # To match drift property of the security rules.
@@ -770,7 +786,7 @@ class SecurityGroupBackend:
             ):
                 group.ingress_rules.remove(rule)
             self.sg_old_ingress_ruls[group.id] = group.ingress_rules.copy()
-            return security_rule
+            return
         raise InvalidPermissionNotFoundError()
 
     def authorize_security_group_egress(
@@ -782,6 +798,7 @@ class SecurityGroupBackend:
         ip_ranges: List[Any],
         source_groups: Optional[List[Dict[str, Any]]] = None,
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        security_rule_ids: Optional[List[str]] = None,  # pylint:disable=unused-argument
         vpc_id: Optional[str] = None,
     ) -> Tuple[SecurityRule, SecurityGroup]:
         group = self.get_security_group_by_name_or_id(group_name_or_id, vpc_id)
@@ -875,11 +892,18 @@ class SecurityGroupBackend:
         ip_ranges: List[Any],
         source_groups: Optional[List[Dict[str, Any]]] = None,
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        security_rule_ids: Optional[List[str]] = None,
         vpc_id: Optional[str] = None,
-    ) -> SecurityRule:
+    ) -> None:
 
         group: SecurityGroup = self.get_security_group_by_name_or_id(group_name_or_id, vpc_id)  # type: ignore[assignment]
 
+        if security_rule_ids:
+            group.egress_rules = [
+                rule for rule in group.egress_rules if rule.id not in security_rule_ids
+            ]
+            return
+
         _source_groups = self._add_source_group(source_groups, vpc_id)
 
         # I don't believe this is required after changing the default egress rule
@@ -942,7 +966,7 @@ class SecurityGroupBackend:
             ):
                 group.egress_rules.remove(rule)
             self.sg_old_egress_ruls[group.id] = group.egress_rules.copy()
-            return security_rule
+            return
         raise InvalidPermissionNotFoundError()
 
     def update_security_group_rule_descriptions_ingress(
@@ -954,6 +978,7 @@ class SecurityGroupBackend:
         ip_ranges: List[str],
         source_groups: Optional[List[Dict[str, Any]]] = None,
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        security_rule_ids: Optional[List[str]] = None,  # pylint:disable=unused-argument
         vpc_id: Optional[str] = None,
     ) -> SecurityGroup:
 
@@ -1010,6 +1035,7 @@ class SecurityGroupBackend:
         ip_ranges: List[str],
         source_groups: Optional[List[Dict[str, Any]]] = None,
         prefix_list_ids: Optional[List[Dict[str, str]]] = None,
+        security_rule_ids: Optional[List[str]] = None,  # pylint:disable=unused-argument
         vpc_id: Optional[str] = None,
     ) -> SecurityGroup:
 
diff --git a/moto/ec2/responses/security_groups.py b/moto/ec2/responses/security_groups.py
index 5d1df1475..2742f6518 100644
--- a/moto/ec2/responses/security_groups.py
+++ b/moto/ec2/responses/security_groups.py
@@ -71,6 +71,7 @@ def parse_sg_attributes_from_dict(sg_attributes: Dict[str, Any]) -> Tuple[Any, .
 class SecurityGroups(EC2BaseResponse):
     def _process_rules_from_querystring(self) -> Any:
         group_name_or_id = self._get_param("GroupName") or self._get_param("GroupId")
+        security_rule_ids = self._get_multi_param("SecurityGroupRuleId")
 
         querytree: Dict[str, Any] = {}
         for key, value in self.querystring.items():
@@ -103,6 +104,7 @@ class SecurityGroups(EC2BaseResponse):
                 ip_ranges,
                 source_groups,
                 prefix_list_ids,
+                security_rule_ids,
             )
 
         ip_permissions = querytree.get("IpPermissions") or {}
@@ -126,6 +128,7 @@ class SecurityGroups(EC2BaseResponse):
                 ip_ranges,
                 source_groups,
                 prefix_list_ids,
+                security_rule_ids,
             )
 
     def authorize_security_group_egress(self) -> str:
@@ -264,7 +267,7 @@ DESCRIBE_SECURITY_GROUP_RULES_RESPONSE = """
         {% endif %}
         <ipProtocol>{{ rule.ip_protocol }}</ipProtocol>
         <groupOwnerId>{{ rule.owner_id }}</groupOwnerId>
-        <isEgress>true</isEgress>
+        <isEgress>{{ 'true' if rule.is_egress else 'false' }}</isEgress>
         <securityGroupRuleId>{{ rule.id }}</securityGroupRuleId>
     </item>
     {% endfor %}
diff --git a/tests/test_ec2/test_security_groups.py b/tests/test_ec2/test_security_groups.py
index 8a00d637d..c09a680de 100644
--- a/tests/test_ec2/test_security_groups.py
+++ b/tests/test_ec2/test_security_groups.py
@@ -1034,16 +1034,23 @@ def test_authorize_and_revoke_in_bulk():
 @mock_ec2
 def test_security_group_ingress_without_multirule():
     ec2 = boto3.resource("ec2", "ca-central-1")
+    client = boto3.client("ec2", "ca-central-1")
     sg = ec2.create_security_group(Description="Test SG", GroupName=str(uuid4()))
 
     assert len(sg.ip_permissions) == 0
-    sg.authorize_ingress(
+    rule_id = sg.authorize_ingress(
         CidrIp="192.168.0.1/32", FromPort=22, ToPort=22, IpProtocol="tcp"
-    )
+    )["SecurityGroupRules"][0]["SecurityGroupRuleId"]
 
-    # Fails
     assert len(sg.ip_permissions) == 1
 
+    rules = client.describe_security_group_rules(SecurityGroupRuleIds=[rule_id])[
+        "SecurityGroupRules"
+    ]
+    ingress = [rule for rule in rules if rule["SecurityGroupRuleId"] == rule_id]
+    assert len(ingress) == 1
+    assert ingress[0]["IsEgress"] is False
+
 
 @mock_ec2
 def test_security_group_ingress_without_multirule_after_reload():
@@ -1123,6 +1130,32 @@ def test_revoke_security_group_egress():
     sg.ip_permissions_egress.should.have.length_of(0)
 
 
+@mock_ec2
+def test_revoke_security_group_egress__without_ipprotocol():
+    ec2 = boto3.resource("ec2", "eu-west-2")
+    client = boto3.client("ec2", region_name="eu-west-2")
+    vpc = ec2.create_vpc(CidrBlock="10.0.0.0/16")
+    sec_group = client.describe_security_groups(
+        Filters=[
+            {"Name": "group-name", "Values": ["default"]},
+            {"Name": "vpc-id", "Values": [vpc.id]},
+        ]
+    )["SecurityGroups"][0]["GroupId"]
+
+    rule_id = client.describe_security_group_rules(
+        Filters=[{"Name": "group-id", "Values": [sec_group]}]
+    )["SecurityGroupRules"][0]["SecurityGroupRuleId"]
+
+    client.revoke_security_group_egress(
+        GroupId=sec_group, SecurityGroupRuleIds=[rule_id]
+    )
+
+    remaining_rules = client.describe_security_group_rules(
+        Filters=[{"Name": "group-id", "Values": [sec_group]}]
+    )["SecurityGroupRules"]
+    assert len(remaining_rules) == 0
+
+
 @mock_ec2
 def test_update_security_group_rule_descriptions_egress():
     ec2 = boto3.resource("ec2", "us-east-1")
@@ -1237,6 +1270,7 @@ def test_security_group_rules_added_via_the_backend_can_be_revoked_via_the_api()
     # Add an ingress/egress rule using the EC2 backend directly.
     rule_ingress = {
         "group_name_or_id": sg.id,
+        "security_rule_ids": None,
         "from_port": 0,
         "ip_protocol": "udp",
         "ip_ranges": [],
@@ -1246,6 +1280,7 @@ def test_security_group_rules_added_via_the_backend_can_be_revoked_via_the_api()
     ec2_backend.authorize_security_group_ingress(**rule_ingress)
     rule_egress = {
         "group_name_or_id": sg.id,
+        "security_rule_ids": None,
         "from_port": 8443,
         "ip_protocol": "tcp",
         "ip_ranges": [],