diff --git a/Cargo.lock b/Cargo.lock
index cc299ca..65665d1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -385,7 +385,7 @@ dependencies = [
  "asn1-rs-derive",
  "asn1-rs-impl",
  "displaydoc 0.2.3",
- "nom 7.1.3",
+ "nom",
  "num-traits",
  "rusticata-macros",
  "thiserror",
@@ -842,7 +842,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ff76b51e4c068c52bfd2866e1567bee7c567ae8f24ada09fd4307019e25eab7"
 dependencies = [
  "chrono",
- "nom 7.1.3",
+ "nom",
  "once_cell",
 ]
 
@@ -1077,7 +1077,7 @@ checksum = "42d4bc9b0db0a0df9ae64634ac5bdefb7afcb534e182275ca0beadbe486701c1"
 dependencies = [
  "asn1-rs",
  "displaydoc 0.2.3",
- "nom 7.1.3",
+ "nom",
  "num-bigint",
  "num-traits",
  "rusticata-macros",
@@ -2265,24 +2265,13 @@ dependencies = [
  "spin 0.5.2",
 ]
 
-[[package]]
-name = "lber"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a99b520993b21a6faab32643cf4726573dc18ca4cf2d48cbeb24d248c86c930"
-dependencies = [
- "byteorder",
- "bytes",
- "nom 2.2.1",
-]
-
 [[package]]
 name = "lber"
 version = "0.4.1"
 source = "git+https://github.com/inejge/ldap3/#11a66fd5c3df6ee2bae1237b93ba650a597f7805"
 dependencies = [
  "bytes",
- "nom 7.1.3",
+ "nom",
 ]
 
 [[package]]
@@ -2296,9 +2285,9 @@ dependencies = [
  "futures",
  "futures-util",
  "lazy_static",
- "lber 0.4.1",
+ "lber",
  "log",
- "nom 7.1.3",
+ "nom",
  "percent-encoding",
  "ring",
  "rustls",
@@ -2314,13 +2303,16 @@ dependencies = [
 
 [[package]]
 name = "ldap3_proto"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4162706b6f3b3d58f577990e22e9a0e03e2f9bedc2b8181d8abab2498da32003"
+checksum = "db993ebb4a1acda7ac25fa7e8609cff225a65f1f4a668e378eb252a1a6de433a"
 dependencies = [
+ "base64 0.21.0",
  "bytes",
- "lber 0.3.0",
+ "lber",
+ "nom",
  "peg",
+ "thiserror",
  "tokio-util",
  "tracing",
  "uuid 1.3.1",
@@ -2342,7 +2334,7 @@ dependencies = [
  "httpdate",
  "idna 0.3.0",
  "mime",
- "nom 7.1.3",
+ "nom",
  "once_cell",
  "quoted_printable",
  "rustls",
@@ -2431,7 +2423,7 @@ dependencies = [
  "itertools",
  "juniper",
  "jwt 0.16.0",
- "lber 0.4.1",
+ "lber",
  "ldap3",
  "ldap3_proto",
  "lettre",
@@ -2710,12 +2702,6 @@ dependencies = [
  "static_assertions",
 ]
 
-[[package]]
-name = "nom"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf51a729ecf40266a2368ad335a5fdde43471f545a967109cd62146ecf8b66ff"
-
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -3465,7 +3451,7 @@ version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf0c4a6ece9950b9abdb62b1cfcf2a68b3b67a10ba445b3bb85be2a293d0632"
 dependencies = [
- "nom 7.1.3",
+ "nom",
 ]
 
 [[package]]
@@ -3935,7 +3921,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c12bc9199d1db8234678b7051747c07f517cdcf019262d1847b94ec8b1aee3e"
 dependencies = [
  "itertools",
- "nom 7.1.3",
+ "nom",
  "unicode_categories",
 ]
 
@@ -4885,7 +4871,7 @@ dependencies = [
  "data-encoding",
  "der-parser",
  "lazy_static",
- "nom 7.1.3",
+ "nom",
  "oid-registry",
  "rusticata-macros",
  "thiserror",
diff --git a/server/Cargo.toml b/server/Cargo.toml
index efff0f7..7afdeb0 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -34,7 +34,7 @@ itertools = "0.10"
 juniper = "0.15"
 jwt = "0.16"
 lber = "0.4.1"
-ldap3_proto = ">=0.3.1"
+ldap3_proto = "^0.4"
 log = "*"
 orion = "0.17"
 rand_chacha = "0.3"
diff --git a/server/src/domain/types.rs b/server/src/domain/types.rs
index 7326da9..e32089c 100644
--- a/server/src/domain/types.rs
+++ b/server/src/domain/types.rs
@@ -272,7 +272,7 @@ impl ValueType for UserId {
     }
 }
 
-#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
+#[derive(PartialEq, Eq, Clone, Serialize, Deserialize)]
 pub struct JpegPhoto(#[serde(with = "serde_bytes")] Vec<u8>);
 
 impl From<JpegPhoto> for Value {
@@ -332,6 +332,19 @@ impl From<&JpegPhoto> for String {
     }
 }
 
+impl std::fmt::Debug for JpegPhoto {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let mut encoded = base64::engine::general_purpose::STANDARD.encode(&self.0);
+        if encoded.len() > 100 {
+            encoded.truncate(100);
+            encoded.push_str(" ...");
+        };
+        f.debug_tuple("JpegPhoto")
+            .field(&format!("b64[{}]", encoded))
+            .finish()
+    }
+}
+
 impl JpegPhoto {
     pub fn is_empty(&self) -> bool {
         self.0.is_empty()
diff --git a/server/src/infra/healthcheck.rs b/server/src/infra/healthcheck.rs
index 1be251f..32a2c1f 100644
--- a/server/src/infra/healthcheck.rs
+++ b/server/src/infra/healthcheck.rs
@@ -19,8 +19,8 @@ where
 {
     use tokio_stream::StreamExt;
     let (r, w) = tokio::io::split(stream);
-    let mut requests = FramedRead::new(r, LdapCodec);
-    let mut resp = FramedWrite::new(w, LdapCodec);
+    let mut requests = FramedRead::new(r, LdapCodec::default());
+    let mut resp = FramedWrite::new(w, LdapCodec::default());
 
     resp.send(LdapMsg {
         msgid: 0,
diff --git a/server/src/infra/ldap_server.rs b/server/src/infra/ldap_server.rs
index 8aa1b90..639c626 100644
--- a/server/src/infra/ldap_server.rs
+++ b/server/src/infra/ldap_server.rs
@@ -73,8 +73,8 @@ where
     use tokio_stream::StreamExt;
     let (r, w) = tokio::io::split(stream);
     // Configure the codec etc.
-    let mut requests = FramedRead::new(r, LdapCodec);
-    let mut resp = FramedWrite::new(w, LdapCodec);
+    let mut requests = FramedRead::new(r, LdapCodec::default());
+    let mut resp = FramedWrite::new(w, LdapCodec::default());
 
     let mut session = LdapHandler::new(
         AccessControlledBackendHandler::new(backend_handler),